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题目
题型:不详难度:来源:
—Is there any vaccine(疫苗) against H1N1 flu that can be used on humans?
—No, but scientists are working to develop ________ .
A.thatB.itC.oneD.so

答案
C
解析
考查指示代词。“有能够用在人类身上的,抵抗H1N1病毒的疫苗吗?”“没有,但是,科学家正在努力工作来研制一种。这里是泛指一种疫苗,应该用one。故选C。”
核心考点
试题【 —Is there any vaccine(疫苗) against H1N1 flu that can be used on humans?—No, but 】;主要考察你对代词等知识点的理解。[详细]
举一反三
Since you understand all this,      is no need for me to explain.
A.itB.thisC.thatD.there

题型:不详难度:| 查看答案

Both of the sofas they ordered online arrived, but______fit through the doorway.
A.noneB.norC.neitherD.either

题型:不详难度:| 查看答案
One choice for me is to study in a university in a large city rather than _______ in a small town. And another choice for me is _______ of studying abroad.
A.one; oneB.one; thatC.that; oneD.that; that

题型:不详难度:| 查看答案

She tried two different methods, yet ______ of them seemed to work very well.
A.neitherB.noneC.eachD.both

题型:不详难度:| 查看答案

Jack recommended me a few foreign movies, but _______ was to my taste.
A.nothingB.neither
C.someD.none

题型:不详难度:| 查看答案
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