问题描述：
奥英难题,
1.What number comes next in the following series?9,12,21,48,...
A.84 B.98 C.129 D.216
2.Mr Brown tells Tom __he must do.
A.what B.if C.that what D.where
3.I have two minutes in which to catch a train,and two miles to go.If I go the first mile at the rate of 30 miles per hour,at what rate must I go the second mile in order to catch the train?
A.30m;p.h B.45m;p.h C.60m;p.h D.90m;p.h
THANK YOU VERY MUCH!
可是第3题的答案是选C的.
1.What number comes next in the following series?9,12,21,48,...
A.84 B.98 C.129 D.216
2.Mr Brown tells Tom __he must do.
A.what B.if C.that what D.where
3.I have two minutes in which to catch a train,and two miles to go.If I go the first mile at the rate of 30 miles per hour,at what rate must I go the second mile in order to catch the train?
A.30m;p.h B.45m;p.h C.60m;p.h D.90m;p.h
THANK YOU VERY MUCH!
可是第3题的答案是选C的.
问题解答：
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