2021军招军考《军考类》真题模拟02-18

1、下列原子中，核内有21个中子的是（　　）．（单选题）

A.

B.

C.

D.

试题答案：C

2、His decision was ______, since he could not see the action from where he was standing.（单选题）

A. arbitrary

B. ordinary

C. casual

D. accurate

试题答案：A

3、—You seem to have known all about the accident.
—_____.（单选题）

A. So I have

B. So I do

C. So have I

D. So do I

试题答案：A

4、若 ，且a＋b＝3，则 的最小值为（　　）．（单选题）

A. 6

B.

C.

D.

试题答案：B

5、Which is the best one for preserving food in the following methods?（单选题）

A. Put the food in a cold place.

B. Cook the food well.

C. Dry the food by sun.

D. It is not told.

试题答案：D