Where did D see this question?

First of all, the answer is D or A. My analysis is d.

The answer A can be taken from the answer C, "The Industrial Revolution was about 250 years before the present, and carbon dioxide emissions increased rapidly. "In line with option c", "carbon dioxide emissions increased for a considerable period of time after the industrial revolution", "global temperatures continued to fall" can be seen from "marine fossil data show that 1900-1910 was one of the coldest decades since the last 11,300 years", indicating that the global temperature did not continue to rise from the increase in carbon dioxide emissions in the sixties of the eighteenth century, but instead occurred one of the coldest decades in the past 11,300 years from 1900 to 1910, This means that global temperatures are still falling. If item c is confirmed, it shows that a is also correct.

Carbon dioxide emissions need to accumulate to a certain extent before they can lead to the greenhouse effect, not just an increase. Because since the increase in carbon dioxide emissions in the sixties of the eighteenth century, the global temperature has not continued to rise, and there is no greenhouse effect. It's only now that the last 100 years have become apparent.

Item B is obvious and should be immediately apparent. The fossil reconstruction of the global temperature span is the global temperature since the end of the last ice age. Existing temperature records date back to 1880.

a, b, c can be deduced from the stem, then option d does not match the stem.

"The global temperature record dates back only to 1880, and the period from 2000 to 2010 was the warmest decade here," the original article said, matching the 2000-2010 temperature reconstructed by the researchers, "although the study noted that 100 years later, 2000-2010 was one of the warmest decades." Therefore, option D that is different between the two is of course wrong, and D should be chosen.

If there is anything inappropriate, you can continue the discussion.

If you have to choose A, you can only understand it this way. The greenhouse effect is the result of the increase in carbon dioxide, so there is a greenhouse effect since the increase in carbon dioxide, but it was not reflected until 1910. The difference between the two in option d is in the word "one".

First of all, you look at the question, it is an option that does not match the original text, d seems to say the last option in the original text, but d expresses that the temperature is different from the global temperature record, and the original question does not say that there is a discrepancy, so choose d

From the way of questioning, it can be judged that this is a detailed comprehension question type of speech comprehension fragment reading, and it is necessary to bring each option into the original text to find the corresponding evidence, and the question stem to choose is inconsistent, A, B, and C can all find evidence from the original text, while the original answer D has no evidence to prove it. The question simply says, "However", which indicates that the temperature of the answer d is the warmest, combined with the last sentence of the paragraph: the global temperature has been recorded between 2000 and 2010, so it is consistent with what the study points out.

In summary, option d said that the temperature was different from the global temperature record, which was inconsistent with the original text, and was elected.

The last two sentences: "But the study points out ... is the warmest decade here", studies and records show that 2000 to 2010 was the hottest decade, and there is no discrepancy, so the statement d does not conform to the original text.

The first three items can be deduced in the text, but the fourth item cannot be found in the text, so D is chosen

The fourth item is uncertain in the text.

First of all, it is a negative charge, the direction of the electric field force is opposite to the direction of the electric field strength, a-c:v decreases, and the force and the direction of the speed of b must be obtuse, so choose d

When finding the fx period, it is generally necessary to determine its unknown, that is, the position of the unknown given by a trigonometric function, and combine the two periods to use the calculation.

Solution 1: Substitution method.

According to the option, 17 and 7 are brought into y respectively to find x, and x is within the range when these two are the maximum state values, and 17 7, so 17 is the maximum value.

The minimum value is the same for Brother Liang.

Solution 2: Direct calculation.

Because m,n is in the middle of 0-1, and n is larger than m, so their direct division quotient must be greater than 1, and t is in the ignorance of 2-3, so d's answer is correct.

J-shaped growth is ideal for the model created by the laboratory, for example. This question asks about the actual situation of sulfur bacteria near volcanoes, which are facing problems such as nutrient insufficiency, so they cannot reach the J-shaped growth curve. It is obvious that sulfur bacteria are bacteria, prokaryotes, and do not have chromosomes.

Review the questions yourself carefully, read them a few times, and you'll know why!

Space limitations, nutrient limitations, generally speaking, are K-type in nature.

If a function has a minimum value in the open interval, then it has at least one decreasing subinterval and one increasing subinterval in this open interval, so that it can have a minimum and be a minimum. If the function is derivative and there is an extremum, then its first derivative is equal to 0 at the extremum point;

However, if a function is derivative, and the existence of a point with a first derivative of zero does not necessarily mean that it has an extreme value at that point.

For example, f(x)=3x, it is indeed derivable, and there are points where the first derivative is equal to 0, but x=0 is not an extreme point. If you don't know, you can continue to ask.

You should choose an A for this question.

If the function is monotonic in the open interval (a, b), then there is no maximum.

If you want to get the maximum, you have to have a point where the derivative is zero, and that's a sufficient condition.

Because: d=330%256=74 -- key song j'The ASCII code for the late round of 74,330 exceeded the maximum value of a code bright letter energy saving representation, and the high part was discarded.

e='\141'=1*8^2+4*8+1=97 --a'The ASCII code is 97'\141'indicates that it is an octal number.

Let's start by explaining the inflection point and extreme point.

If the first derivative has a zero point (the value of the function has both positive and negative values), then the function has an extreme point.

If the second derivative has a zero point (the value of the function is positive or negative), then the function has an inflection point.

Then find the first and second derivatives of the function.

The results show that the derivative of a section is 2 to the 3rd power of x, which is always greater than or equal to 0, the second derivative is -1 3rd power of x, and the inflection point is when x=0.

C should be chosen, because every collision is calculated from the middle point.