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【简答题】
将答案写在答题框内注明序号即可 1、- Do you know our town at all? - No, this is the first time I ___ here. A. was B. have been C. came D. am coming 2、- Have you ____ been to our town before? - No, it's the first time I ___ here. A. even, come B. even, have come C. ever, come D. ever, have come 3、 Do you know ________? A. how long has he lived here B. how long he has lived here C. he has lived here how long D. he has lived how long here
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】设f(x)在[a，b]上连续，在(a，b)内可导，0＜a＜b，试证：
【单选题】《中华人民共和国旅游法》规定,景区超过最大承载量接待旅游者的,由景区主管部门责令改正,情节严重的,责令停业整顿()
A.
半个月至1个月
B.
1个月至6个月
C.
6个月至9个月
D.
9个月至12个月
【简答题】设f(x)在[a，b]上连续，g(x)在[a，b]上有一阶连续导数，且g'(x)≠0,又知 ,试证：在(a，b)内至少存在两点x 1 ，x 2 ，使f(x 1 )=0，f(x 2 )=0