1、The hot ____________(气候) here doesn't agree with her.
2、The car ___________(碰撞）straight into a tree，which made him injured.
3、Several _____________(物理学家）of great achievements were present at the meeting.
4、There are five scientists in the ______________(宇宙飞船）.
5、If steel is heavier than water, why are ships able to __________(漂浮) on the sea?
6、Some plants will not grow in a cold__________(气候).
7、An apple falls down because of__________(重力).
8、He is a lovely boy,very__________(温和的)and caring.
