皮皮学,免费搜题
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【单选题】
一What happened? 一Oh,a bee appeared on Kate's dress, and her sudden_______________ of cry scared us. [ ]
A.
behaviour
B.
burst
C.
attitude
D.
expression
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【简答题】They talked to him for hours, (try)______to persuade him to change his mind.
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【判断题】吃鲜黄花菜时,放入开水中煮后弃水,捞出后再加温,煮熟后即可食用。( )
A.
正确
B.
错误
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【单选题】An artist who was recently travelling on a ferry to the southern island discovered _________ a long lost antique Greek vase.
A.
at random
B.
by chance
C.
in turn
D.
on occasion
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【简答题】如果我们能有竞争力地——也就是以低廉的价格——把海水净化成淡水,这将有利于人类的长期利益,这一成就将使其他所有科学成就都显得渺小。
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【简答题】例题 1 有一个额定值为 “ 1 kW , 220 V ” 的电暖器,正常工作时的工作电流是多大?如果由于供电紧张,电压下降到 160 V ,它的实际功率将是多少?
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【简答题】可吃的,可食用的
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【单选题】The antique vase grandpa bought at the flea market yesterday was a forgery.
A.
man-made
B.
natural
C.
crude
D.
real
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【简答题】A few days ago, my sister Liz and I talked about Dad, and we decided to get him a little something for Father's Day. We talked about the times when we were up and how Mom and Dad used to play the ‘goo...
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【简答题】某万用表的直流电压档有三个,即 10V , 100V 和 250V ,如下图所示,试计算分压电阻 R2 、 R3 、 R4 。(其中 Ic=0.6mA,Rc=280 Ω)
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【简答题】食堂有2吨大米,每天吃1/4吨,可吃( )天;如果每天吃它的 1 4 ,可吃( )天. A.8 B.6 C.4 D.2
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【简答题】They talked to him for hours, (try)______to persuade him to change his mind.
查看完整题目与答案
【判断题】吃鲜黄花菜时,放入开水中煮后弃水,捞出后再加温,煮熟后即可食用。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】An artist who was recently travelling on a ferry to the southern island discovered _________ a long lost antique Greek vase.
A.
at random
B.
by chance
C.
in turn
D.
on occasion
查看完整题目与答案
【简答题】如果我们能有竞争力地——也就是以低廉的价格——把海水净化成淡水,这将有利于人类的长期利益,这一成就将使其他所有科学成就都显得渺小。
查看完整题目与答案
【简答题】例题 1 有一个额定值为 “ 1 kW , 220 V ” 的电暖器,正常工作时的工作电流是多大?如果由于供电紧张,电压下降到 160 V ,它的实际功率将是多少?
查看完整题目与答案
【简答题】可吃的,可食用的
查看完整题目与答案
【单选题】The antique vase grandpa bought at the flea market yesterday was a forgery.
A.
man-made
B.
natural
C.
crude
D.
real
查看完整题目与答案
【简答题】A few days ago, my sister Liz and I talked about Dad, and we decided to get him a little something for Father's Day. We talked about the times when we were up and how Mom and Dad used to play the ‘goo...
查看完整题目与答案
【简答题】某万用表的直流电压档有三个,即 10V , 100V 和 250V ,如下图所示,试计算分压电阻 R2 、 R3 、 R4 。(其中 Ic=0.6mA,Rc=280 Ω)
查看完整题目与答案
【简答题】食堂有2吨大米,每天吃1/4吨,可吃( )天;如果每天吃它的 1 4 ,可吃( )天. A.8 B.6 C.4 D.2
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