水的膨胀性和压缩性很小，因此对盛满水的较大密闭容器也不考虑膨胀性。( )
查看答案
安装在塔、槽、箱壁上或在垂直管道上的温度计，一般应采用角型温度计。( )
A. 对
B. 错
Questions 11 to 18 are based on the conversation you have just heard.
A. $ 20.5.
B. $ 19.5.
C. $ 18.5.
D. $ 14.
Passage OneQuestions 26 to 28 are based on the passage you have just heard.
A. Electricity.
B. Steam.
C. Water.
D. Boats.
Questions 11 to 18 are based on the conversation you have just heard.
A. To get some buttons.
B. To get some thread.
C. Because they need to buy a needle.
D. Because they want to sew on a button.
微信支付 
支付宝支付