选出正确的图片。( ) 1. twobooksa. b. ( ) 2. four_爱下问搜题

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问题选择题

选出正确的图片。

( ) 1. two books	a.	b.
( ) 2. four pencils	a.	b.
( ) 3. three chairs	a.	b.

答案

1-3 b a a

单项选择题 A1/A2型题

上颌前牵引每侧的牵引力是（）

A.60～70g

B.100～300g

C.300～400g

D.500g以上

E.1500～3000g

选择题

—Amazingly, Zhuo Jun got the first place for the China's Got Talent （中国达人秀） last night．

—So wonderfully ______ in the show that he deserved it．

A．did he perform

B．had he performed

C．he performed

D．he had performed