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【简答题】
;旅行社自交纳或者补足质量保证起( )年内未因侵害旅游者合法权益受到行政机关罚款以上处罚的,旅游行政管理部门应当将旅行社质量保证交存数额降低5%,并向社会公告。
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【单选题】I go to work bus every day. [     ]
A.
by
B.
sit
C.
in
【单选题】—How do you go to school every day? —I ____ , but I ____ by bike a year ago.
A.
go to school by foot; went
B.
would go to school on foot; liked to go
C.
walk; used to go
D.
will walk to go school; was used to going
【判断题】牙齿按照存在时间暂久可以分为乳牙和恒牙两类
A.
正确
B.
错误
【单选题】下面几种逻辑门中,可以用作双向开关的是。
A.
CMOS 传输门
B.
或非门
C.
异或门
【单选题】_______ bad weather _______ me, I will go for a walk every day. I think health is the most important.
A.
If; stops
B.
Because; will stop
C.
Unless; stops
D.
As; will stop
【单选题】下面几种逻辑门中,可以用作双向开关的是【】。
A.
CMOS传输门
B.
或非门
C.
异或门
D.
TTL与非门
【单选题】I go to school by subway every day.
A.
channel
B.
tunnel
C.
train
D.
underground
【单选题】下面几种逻辑门中,可以用作双向开关的是( )。
A.
或非门
B.
异或门
C.
CMOS传输门
D.
与非门
【单选题】— How do you go to the office every day? — I often go to the office _____ subway. Sometimes I _____ a taxi. [     ]
A.
by; take
B.
by; by
C.
take; by
D.
take; take
【单选题】下面几种逻辑门中,可以用作双向开关的是( )。
A.
或非门
B.
异或门
C.
CMOS 传输门
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