问题
单项选择题
某气体的压力为2940Pa,若用U型玻璃管测得该气体的压力为()cm水柱。
A.0.3
B.3
C.30
D.300
答案
参考答案:C
某气体的压力为2940Pa,若用U型玻璃管测得该气体的压力为()cm水柱。
A.0.3
B.3
C.30
D.300
参考答案:C
用所给词的适当形式填空
小题2:Who ______ away my pen? I can’t find it. 小题3:Lucy said she ______ the primary school the next month. 小题4:It’s correct ______ strangers come into your house. 小题5:It’s ______to join a charity walk than to play computer games. |