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【单选题】
急性感染性心内膜炎的瓣膜赘生物中,不具有的成分是A.
大量中性粒细胞.
B.
坏死组织
C.
细菌菌落
D.
多量肉芽组织
E.
纤维蛋白
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Whose volleyball is it? —It ________ Carla’s. She doesn’t like volleyball at all.
A.
mustn’t be
B.
could be
C.
might be
D.
can’t be
【简答题】打开瓶装生理盐水,倒生理盐水时 、 、 ,并注明 和 。
【单选题】volleyball is her main focus, she’s also great at basketball.
A.
Since
B.
Once
C.
While
D.
Unless
【单选题】—Is that ______ volleyball?—Yes. Bill likes playing ______ volleyball. ______ volleyball is his.
A.
the; a; /
B.
/; the; /
C.
/; the; The
D.
a; /; The
【单选题】—Is that ______ volleyball? —Yes. Jim likes playing ______ volleyball. ______ volleyball is his.
A.
the; a; /
B.
/; the; /
C.
/; the; The
D.
a; /; The
【简答题】（1）某化学兴趣小组按照如图A进行测定白磷燃烧后前后质量变化和测定空气组成的实验探究，试回答下列问题： ①实验过程观察到的现象是：锥形瓶内有______产生；气球______．待白磷燃烧完毕，冷却后再称量，天平的指针将会指向______（填“偏左”、“偏右”、“正中”．下同）；若打开瓶塞后再称量，天平的指针将会指向______． ②反应完全后，冷却至室温，将锥形瓶倒置于盛满水的水槽中，取下瓶塞，则...
【单选题】–Whose volleyball is this? –It _______ belong to Carol. She loves volleyball.
A.
must
B.
mustn’t
C.
can
D.
can’t
【单选题】volleyball is her main focus, she’s also great at basketball.
A.
Since
B.
Once
C.
Unless
D.
While
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