单项选择题

Some of these studies (have shown) that although some people have trouble (to fall asleep), others have an (equally) difficult time (waking up).

A. have shown
B. to fall asleep
C. equally
D. waking up

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单项选择题

Part Ⅳ ClozeDirections: In this part, there is a passage with 15 blanks. For each blank, there are 4 choices marked A, B, C and D. Choose the best answer for each blank and mark the corresponding letter with a single bar across the square brackets on your machine-scoring ANSWER SHEET.

A．worth for
B．worth
C．worthy
D．worthwhile

单项选择题

How was colonists’ first year’s crop

A．The year’s harvest was a dismal failure.
B．The bounteous harvest pleased everyone.
C．The land could have yielded a larger harvest.
D．That year’s crop set a new recor

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