2021军招军考《军考类》真题模拟01-24

1、增加A的浓度，那么（　　）．（单选题）

A. C的量会增加

B. B的量会增加

C. 平衡不移动

D. C的量会减少

试题答案：A

2、电梯里放置一个弹簧秤，秤上挂着一个质量为1kg的物体．电梯以2m／s²的加速度上升，弹簧秤的读数是（　　）．（单选题）

A. 9.8N

B. 7.8N

C. 11.8N

D. 0

试题答案：C

3、下列单质中与水反应最剧烈的是（　　）．（单选题）

A. 锂

B. 钠

C. 钾

D. 铷

试题答案：D

4、
（单选题）

A. meat

B. dinner

C. bread

D. money

试题答案：A

5、It can be inferred from the passage that _____.（单选题）

A. teenagers under 14 are not allowed to visit the White House

B. foreigners are less likely to be permitted to tour the White House

C. separate tours can also be scheduled for individual visitors

D. security is the chief concern in scheduling White House tours

试题答案：D