What's his name?[ ]
A. My name is Joe.
B. His name is Sam.
C. Her name is Jean.
答案:B
Go to bed early and sleep well. You can work ________ tomorrow morning.
A.in high spirit
B.in low spirit
C.in low spirits
D.in high spirits
A.增大压强
B.减小压强
C.增大压力
D.减小压力