液体的蒸气压： A．随温度的升高而下降 B．在沸点时与大气压相_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

液体的蒸气压：

A．随温度的升高而下降
B．在沸点时与大气压相等
C．与温度无关
D．在加入溶质后升高
E．以上各项都不是

答案

参考答案：B

辨音题

选择画线部分的正确读音，将其序号填在括号里。

(    ) 1. same
(    ) 2. give
( ) 3. number
(    ) 4. box
( ) 5. nice

A. [ei]
A. [w]
A. [Q]
A. [s]
A. [s]

B. [i:]
B. [v]
B. [ju:]
B. [z]
B. [z]

C. [i]
C. [i]
C. [J]
C. [ks]
C. [ks]

选择题

Stressful environments lead to unhealthy behaviors such as poor eating habits, which _________ increase the risk of heart disease.

A．by chance

B．in return

C．in turn

D．in a row