驾驶机动车在这种情况下注意什么?()
A.行人从车后穿出
B.行人从车前穿出
C.公交车突然倒车
D.公交车突然起步
参考答案:B
“神舟”十号载人飞船发射成功,它用氢、氧作为燃料.为了减小火箭的体积,用______的方式使它们______(填物态变化),从而贮存在燃料室中.
— How do you find the rules in the school?
— ______, though I can't stand some of them.[ ]
A.Terrible
B.Terrific
C.So many
D.Necessary