Iwonder ______ they will arrive on time._爱下问搜题

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问题选择题

I wonder ______ they will arrive on time.[ ]

A. to be

B. whether

C. that

D. who

答案

答案：B

填空题

选词填空。

have a good time, on, at the end of, get up, so

Christmas Day comes in winter. It is always on the same date each year. It's __1 __ December 25th. We always __2__early on Christmas day.When we get up,we find presents _ 3__ our beds. We have lunch at home.ln the afternoon,we play games and __4__ in the evening, I'm usually very tired, __5_ I go to bed at about 10 o'clock.

选择题

显性基因决定的遗传病患者分成两类，一类致病基因位于X染色体上，另一类位于常染色体上，他们分别与正常人婚配，总体上看这两类遗传病在子代的发病率情况是[ ]

A．男性患者的儿子发病率不同

B．男性患者的女儿发病率不同

C．女性患者的儿子发病率不同

D．女性患者的女儿发病率不同