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【单选题】
You are running a fever .You ____ to see the doctor .
You are running a fever . You ____ to see the doctor .
A.
need go
B.
must have gone
C.
should go
D.
can go
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【单选题】生态系统中能量流动与物质循环的关系是( )
A.
虽然二者是各自独立的过程,但它们是同时进行的
B.
物质的合成和分解过程,伴随着能量的储存、转移和释放
C.
先有物质循环,然后才有能量流动
D.
由于有了能量的流动,所以才有了物质循环
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【单选题】Tom _____ in the library every night over the last three months.[ ]
A.
works
B.
worked
C.
has been working
D.
had been working
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【单选题】—Please tell me ________ for the meeting yesterday.—Sorry.The traffic was bad.
A.
why you came late
B.
why did you come late
C.
when you came late
D.
when did you come late
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【单选题】下列哪种生态系统的自动调节能力最强[ ]
A.
嫩江
B.
蔬菜大棚
C.
西林郭勒草原
D.
西双版纳热带雨林
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【单选题】I kept looking at the man, wondering _______.
A.
whether I have seen him before
B.
whether I had seen him before
C.
that I had seen him before
D.
when I saw him before
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【简答题】Determined to make school more related to the workplace, Roosevelt High School in Portland, Oregon, developed a school-to-work program. In their first year, students are offered some job pathways in n...
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【简答题】Organic foods are produced according to certain production standards, meaning they are grown without the use of conventional pesticides, or chemical fertilizers and that they were processed without fo...
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【单选题】.A look at recent trends in world fisheries reveals ________ the ocean on a global scale.
A.
how we have swiftly affected
B.
that how swiftly we have affected
C.
how swiftly we have affected
D.
however swiftly we have affected
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【简答题】完形填空。 There are times when people are so tired that they fall asleep almost anywhere. We can see there is a lot of sleeping on the bus or train on the1home from work in the evenings. A man will be2the...
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【简答题】书面表达(满分25分)各人有各人的庆祝生日的方式,请对照别人庆祝生日的方式谈谈你自己的想法:有的同学庆祝生日的方式你希望的方式购买生日礼物 ?开生日party休生日假吃生日蛋糕字数:100—120词。
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