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【简答题】

Tom loved basketball. One afternoon on his way to a basketball , he was walking and dreaming about playing college 1 the next year. Suddenly a car hit him and he was thrown two 2 into the air。 Tom woke up in a 3 room. When the doctor told him that his legs were broken, he knew his college basketball dream was 4 . Tom did what the doctor told him, 5 it didn't work when he left the hospital。 Then Tom was sent to a rehabilitation center(康复中心) A week after he arrived there, he met Sunny Chen. Sunny used to be a coach(教练). His legs were hurt 6 in a skating accident. Though he couldn't move his legs, Sunny became a coach of a basketball 7 called the Suns. It was on wheelchair basketball team, because 8 on the team played from a wheelchair. Sunny invited Tom to 9 the . Tom played badly, but because it's the 10 time since the accident, he stopped feeling sorry for himself After becoming a part of the Suns, Tom improved quickly. Basketball was like 11 for him. Tom was much better than before When Tom became sad or 12 , Sunny was there to help him. The day 13 Tom left the center, he had dinner with Sunny. He asked Sunny 14 he could be so happy, even with his broken legs. Sunny 15 and said, "It's really quite easy. When you keep your face to the sun, theshadows(阴暗) fall behind.”

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参考解析:
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刷刷题刷刷变学霸
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【多选题】利润中心分为( )。

A.
自然利润中心
B.
人为利润中心
C.
实际利润中心
D.
预算利润中心

【单选题】加速器的等中心是指()

A.
机架的旋转中心与束流中心一致
B.
机架的旋转中心与小机头旋转中心一致
C.
机架的旋转中心与治疗床的旋转中心相一致
D.
机架的旋转中心、束流中心与治疗床旋转中心一致
E.
机架的旋转中心、小机头旋转中心、治疗床旋转中心与束流中心相一致

【单选题】酶的活性中心是指

A.
结合抑制剂使酶活性降低或丧失的部位
B.
结合底物并催化其转变为产物的部位
C.
结合别构剂并调节酶活性的部位
D.
酶的活性中心由催化基团和辅酶组成

【单选题】属于中心要素的是( )。

A.
左端面
B.
轴线
C.
内孔圆面
D.
下底面

【单选题】酶的活性中心是指酶分子

A.
结合底物并催化底物转变为产物的部位
B.
结构中心部位的几个必需基团
C.
维持酶构象的重要部位
D.
与调节剂结合的部位