皮皮学，免费搜题
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【判断题】
铁路货物运输中，一批零担货物的件数不得超过300件。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He will _ English for six years by the time he takes the exam.
A.
have been studying
B.
have studied
C.
had studied
D.
studying
【单选题】—________ does John go to school? —He takes the underground.
A.
How
B.
What
C.
When
D.
Where
【单选题】By the time he takes the final exam, he ___ more than five lectures in this semester.
A.
will attend
B.
has attended
C.
had attended
D.
will have attended
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