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【单选题】
若 x y = 2 3 ，则 3x+y 2y 的值是（ ）A.
2 3
B.
3 2
C.
1
D.
5 3
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【单选题】People in China studied the weather earlier than any other people in the world.
A.
right
B.
wrong
C.
doesn't say
D.
N/A
【简答题】根据汉语及首字母提示完成句中所缺的单词。 1. —How's the weather in Beijing? —It's w________. 2. The panda is my favorite a________. 3. —How's the weather in Boston? —It is s________. 4. There is a big ________ (图书馆) in ou...
【单选题】The Chinese and Indian climbers were able to reach the top of Mount Everest in spite of a(n) _____ change in the weather.
A.
abrupt
B.
uncertainty
C.
nevertheless
D.
negotiable
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