— I'm hungry, Mom. — ____[ ] A. What abo

某商品两次价格上调后，单价价格从4.05元变为5元，则平均每次调价的百分率约为 [ ]

A．9%

B．10%

C．11%

D．12%

“0”可以参加计算．

7-7=

9+0=

0+2=

0+0=

0-0=

6-0=

关于生理性语颤的描述，错误的是（）

A.一般男性语颤较女性强

B.一般成人较儿童语颤强

C.前胸下部语颤较上部强

D.右上胸语颤较左上胸强

E.后胸下部语颤较上部强

— Mary's got crazy and has been sent to the mental hospital. Did you tell her boss about that?

— Yes, but I ____ her husband first. [ ]

A. should have told

B. shouldn't have told

C. must have told

D. needn't have told

军队转业干部的住房，由部队给予保障。