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听力原文: Good afternoon everyone, I'm Latoya Marslington and this is the weather. The warm front has moved in from the north and is making for an unseasonably warm March morning. The temperature is expected to continue rising throughout the day. It would seem that spring is finally here. But don't put away those wooly socks just yet. The temperature tomorrow is expected to drop back down to the usual 60 degrees, and remain that way throughout the week. Currently it's 72 degrees and 6 o'clock. Join us again in an hour for the full day's news and all the traffic updates. What is today's weather like?
A.
Cloudy and windy
B.
Freezing cold
C.
Warm
D.
Rainy.
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参考答案:
举一反三
【单选题】指数函数 的单调性为
A.
单调递增
B.
单调递减
【简答题】剩余碘量法测定司巴比钠的含量
【单选题】关于指数函数 的单调性,下列说法正确的是 ( )
A.
在定义域 上单调递减
B.
在定义域 上单调递增
C.
在定义域 上单调递减
D.
在定义域 上单调递增
【单选题】指数函数 的单调性为
A.
单调递增
B.
单调递减
C.
时单调递减, 时单调递增
D.
时单调递增, 时单调递减
【单选题】判断指数函数 的单调性?
A.
在区间(-∞,+∞)内为增函数
B.
在区间(-∞,+∞)内为减函数
C.
在区间(-∞,0)内为增函数
D.
在区间(0,+∞)内为增函数
【单选题】What. action should a GMDSS radio operator take when SafetyNET distress or urgency messages are received by the vessel's EGC receiver?
A.
No immediate action is required.
B.
Aural and visual alarms are activated, and require manual deact.ivation.
C.
Transmission of acknowledgement should be achieved imm_ediately.
D.
Reset the EGC receiver imnediately.
【单选题】EGC safetyNet transmits()types of messages for mariners.
A.
four
B.
six
C.
five
D.
three
【判断题】指数函数的单调性取决于底数的大小( )
A.
正确
B.
错误
【单选题】倾斜45°以上70°以下的山坡是()。
A.
陡崖
B.
B陡坡
C.
陡坎
D.
坡地
【单选题】判断指数函数 的单调性
A.
函数是单调增函数
B.
函数在R上是单调增函数
C.
函数是单调减函数
D.
函数在R上是单调减函数
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