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问题 选择题

—             the girl in the picture?    —             Sarah. [ ]

A. Who's, She's         

B. Who, She's                                

C. Whose, He's                                   

答案

答案：A

选择题

Since the road is wet this morning, _____ last night.

A．it must rain

B．it must be raining

C．it must have rained

D．it must have been rain
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单项选择题

For any 3 given numbers, which of the following is always equivalent to adding the 3 numbers together and then dividing the sum by 3 ？（）
Ⅰ. Ordering the 3 numbers numerically, from highest to lowest, and then selecting the middle number.
Ⅱ. Dividing each of the numbers by 3 and then adding the results together.
Ⅲ. Multiplying each number by 6, adding the resulting products together, and then dividing the sum by 9.

A. Ⅰ only

B. Ⅱ only

C. Ⅰ and Ⅱ only

D. Ⅱ and Ⅲ only

E. None of the above
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