皮皮学，免费搜题
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搜题
【判断题】
在石灰岩地区，地下溶洞常常比较发育，流域常常为非闭合流域。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Smith
________ as the club’s new manager yesterday.A. confirm B. confirms C. confirmed D. was
confirmed
【单选题】A membership card ________ the holder to use the club’s facilities for a period of twelve months.
A.
approves
B.
authorizes
C.
rectifies
D.
endows
【单选题】According to the club’s rules, members can play ____ .
A.
for 30minutes only
B.
for one hour only
C.
within the booked time only
D.
.longer than the booked time
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