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【判断题】
如果一条直线垂直于平面内的无数条直线 ,那么这条直线垂直于这个平面 .A.
正确
B.
错误
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举一反三
【单选题】A number of students _______ the subway to school and the number of the students _______ 8. [ ]
A.
takes, are
B.
take, are
C.
take, is
D.
takes, is
【单选题】The teacher won’t begin the class ______ all the students ______.
A.
until ; stop to talk
B.
until; stop talking
C.
if; stop to talk
D.
if ; stop talking
【简答题】However, she points out that native speaker students will usually stop talking if you ______.
【简答题】下列属于营业税免税项目的有（ ）。
【单选题】After the final exam, I think all the students want _________.
A.
stop to have a rest
B.
to stop having a rest
C.
to stop to have a rest
D.
stopping to have a rest
【简答题】[性状鉴别] 1呈不规则囊片状,完整者长约3.5cm,宽约3cm,厚约2mm;2表面黄色、黄绿色或黄褐色,薄而半透明,具多数明显的条状被纹,呈波浪形;3质脆易碎,断面角质样,有光泽;4气微腥,味微苦。 [功能主治]健胃消食,涩精止遗,通淋化石
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