—_____do you sleep every night? —Six to

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问题选择题

—_____do you sleep every night?

—Six to eight hours.[ ]

A. How long

B. How often

C. How

D. How many times

答案

单项选择题

切口疝表现为难复性疝的原因在于

A．切口处有较硬的瘢痕

B．疝内容物为大网膜

C．腹壁神经损伤，腹肌萎缩无力

D．常无壁腹膜形成的疝囊，疝内容物常与腹壁粘连

E．腹壁切口过大

改错题

小医生，下列各句均有一处错误，请找出并改正。

1. We hear the twins are going to buy a present to their parents.

____________________________________

2. You are the best teacher of all. Thank you to teach us so well.

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3.people never use Mr, Mrs or Miss front their first names.

____________________________________

4.-Would you like to go swimming this Sunday?

-What a good idea! I'm glad.

__________________________________

5.Next class we won't talk to anything about England.

___________________________________