【单选题】There was a big fire in the building last night. ____, all the people were able to escape.
【单选题】A big bush fire ___ in Australia last night, but fortunately everyone ____escape. [ ]
C.
broke out; was able to
【单选题】A big party was held in NO.18 Middle School last night, the teacher with students _____ singing and dancing happily at the party.
【单选题】莫非氏滴管液面过高,正确处理是:
B.
夹住滴管上端的输液管,打开调节孔,使液面下降
C.
夹住滴管下端的输液管,打开调节孔,使液面下降
D.
夹住滴管上端的输液管,挤压莫非氏滴管,使液面下降
E.
夹住滴管下端的输液管,挤压莫非氏滴管,使液面下降
【多选题】下列有关我国的储蓄原则说法正确的是( )。
【单选题】自我意识分为三种成分,分别为自我认知、自我情感和()