Fill in the blank questions 1 point per blank, 22 points in total .

1 The cube is also called (regular cuboid), which is a cuboid with equal sides.

The greatest common divisor of 2 4 and 28 is (4), and the least common multiple is (28).

3 The least common multiple of three coprime numbers is 165, and these three numbers are )4 A number has only two divisors (1 and itself), and this number is called a prime number.

5 Divide (1) into several equal parts, and the number of such parts or parts is called a fraction.

7 Fill in the appropriate score in ( ) below.

25 cm = (m 15,000 square meters) = (15) hectares 1 ton 600 kg = ( tons 110 seconds = (11 6 ) minutes 1,400 ml = ( ) liters 8 months = (3 4) years 125 cubic centimeters = ( ) cubic decimeters.

8 Fill in " "=" in

9 True Fraction ( ) False Fraction.

2. Judgment (6 points).

1 False scores are all greater than 1. (False).

2 The least common multiple of two numbers must be divisible by these two numbers. 3 The product of a prime number and a prime number is still a prime number. (False).

4 All even numbers are composite. (False).

5 The commutative and associative properties of integer addition are also applicable to fractional addition. ( Right) 3. Choice (8 points).

1 In 1 20, there are (c) numbers that are both composite and odd.

a．1 b．2 c．3 d．4

2 Put 5 grams of sugar in 100 grams of water, and the sugar accounts for (1 21) of the sugar water.

A 5 B 6 C 7.

A is greater than B is less than c is equal to.

Hexahedron is special 4 283 5 11 and has only integers.

Answer: Question 1] B

Question 2] C Question 3 B

Question 4] A Question 5 (C).

Question 6] A Question 7 (C).

Question 8] B Question 9 ] D

Question 10] b

Answer Analysis] Test Question Analysis: This article mainly introduces some ways to prevent traffic accidents.

Question 1] In connection with the description of the main clause, it can be seen that the pronouns here refer to these old people, so the third person plural pronoun is used, choose b, they.

Question 2] Word Meaning Analysis. a.Rejoice, happiness;

b.Young; c.careless, indifferent;d.Sad. In context, we can see that they are referring to because they are sad. Therefore, C.

Question 3: Conjunctions. a.In ......After that;b.In ......Before;c.Although, despite ;d.If, if. In context, it can be seen that they forgot to look around before crossing the street. Therefore, choose B.

Question 4] Combined with the context, it can be seen that this refers to the fact that we must be most subject to the traffic rules, so choose A, obey, obey.

Question 5] In connection with the previous description, it can be seen that it is difficult to park in a short period of time, so choose C, a car.

Question 6] Combined with the context, it can be seen that this refers to, but when they are walking on the highway, they choose A, walk, walk.

Question 7] In connection with the description of the latter sentence, it can be seen that this refers to the fact that when we cross the road, we choose C, crossing.

Question 8] Word Meaning Analysis. a.All of them;b.Both;c.Either of the two;d.Neither of the two.

Contact the latter sentence look

leftfirst,next

lookright, description, it can be seen that this refers to the road on both sides, so choose B.

Question 9] Combined with the context, it can be seen that this refers to crossing the road safely, so choose D, safely.

Question 10: Phrase discrimination. a.Backward, unable to keep up;b.Fall, fail;c.Lie down;d.Go, go. From the previous description, it can be seen that this refers to the fact that they will fall. Therefore, choose B.

Test Place: An expository essay on how to prevent traffic accidents.

Comments: The content of this short article is relatively simple, and it is not difficult to understand. Each question is closely related to the context, and attention must be paid to the context when answering the questions.

Read it several times after answering to see if it is logical and revise it appropriately. Individual questions can be used as separate word meaning analysis questions, first distinguish the meaning of the word, and select the answer that can best make the sentence flow in combination with the context.

The length is 12 500 = 6000 cm.

The width is 8 500 = 4 000 cm.

The area is 6000 4000 = 24000000 square centimeters.