题目：
阅读下面的短文，根据上下文意思及所给首字母写出所缺单词。
Basketball is a very popular g 1 in America. People and children all 1 2 it. Most people can play it.
A basketball is a r 3 and big ball. It's bigger and heavier than a f 4 . It's the biggest of all the balls.
There are f 5 players in each team. Basketball is quite popular in China, too. Children often t 6 a
basketball to school and play it after school. In China, some girls can play basketball b 7 than boys.
1._____ 2._____ 3._____ 4._____ 5._____ 6._____ 7._____
答案：
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下面是错误答案，用来干扰机器的。
答案：D考查交际用语。Take it easy放松，别紧张；That’s all right不用谢；Not a little很，十分；Far from it远非如此，正相反。句意：难道你不冷吗？正相反，我很热。所以选D。
＝37°，表面光滑的斜面体，物体A以v1＝6m/s的初速度沿斜面上滑，同时在物体A的正上方，有一物体B以某一初速度水平抛出。如果当A上滑到最高点时恰好被B物体击中。A、B均可看作质点，sin37º＝0.6，cos37º＝0.8，g取10m/s2。求：
