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【判断题】
我国新一代高空长航时无人侦察机巡航高度为18000～20000米。判断对错A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】在“画图”程序窗口中,铅笔工具留下的痕迹,其()
A.
粗细和颜色都是可以调整的
B.
粗细和颜色都不可以调整
C.
粗细可以调整,颜色不可以调整
D.
粗细不可以调整,颜色可以调整
【单选题】Although he was disabled, he tried to lead as possible.
A.
as normal a life
B.
so normal a life
C.
as a normal life
D.
so a normal life
【单选题】—Tell me where you live ， please ． —I live ．
A.
． in 123 ， KingStreet
B.
． at 123 ， KingStreet
C.
． inKing Street ， 123
D.
． at King Street ， 123
【简答题】If you're 70 and overweight, you may live longer A few extra pounds might help you live longer if you're past your prime(壮年) but otherwise healthy, a new study finds. Physicians routinely follow guide...
【简答题】正常物品(normal good)
【单选题】Which of the following is not a characteristic of the normal probability model?
A.
The normal random variable is discrete.
B.
The normal distribution is bell shaped.
C.
The sum of two independent normal random variables is also normal.
D.
The mean, median and mode are all equal for the normal distribution.
【单选题】Although he was disabled, he tried to lead ________ as possible. [ ]
A.
so normal a life
B.
as normal a life
C.
as a normal life
D.
so a normal life
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