单项选择题

How many pictures does Voyager 2 send back a day

A．84
B．44
C．54
D．48
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单项选择题
It is unnecessary to reply to an invitation when _________.
A．the invitation bears the letters "R. S. V. P"
B．you are very busy.
C．a great many people are invited.
D．the hostess wants to invite others.
单项选择题
Why did Ruth say that she could not dispute women’s Having children
A．Only women can give birth to a baby.
B．Having children is a task assigned by their husbands.
C．Women have to do it to support the families.
D．Women love children
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