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题目
题型:不详难度:来源:

It could take 4-6 months before the first batch(批)of vaccines (疫苗)are available to fight A/H1N1 flu ________ as swine flu, WHO officials said.
A.knownB.to knowC.knowingD.having known

答案
A
解析

核心考点
试题【It could take 4-6 months before the first batch(批)of vaccines (疫苗)are available 】;主要考察你对现在分词等知识点的理解。[详细]
举一反三
35. Instead of _____ their burden, he gave the students more homework. Do you think it right?
A.increasingB.bearingC.adding toD.lightening

题型:不详难度:| 查看答案

--- What’s reported in the news
--- The earthquake yesterday is said  _______ more than 5 hundred people.
A.to killB.that it isC.to have killedD.that it has killed

题型:不详难度:| 查看答案

All the books aren’t permitted ______ out of the reading room.
A. to take     B to be taken     C. taking     D. being taken
题型:不详难度:| 查看答案
“How can we go outing in this kind of weather!”! Bob said,________ out of the window.
A.lookingB.lookedC.to lookD.having looked

题型:不详难度:| 查看答案

“ ______ as often as you can,” our English teacher often tells us, “ you will make rapid progress.”
A.PracticeB.To practiceC.Having practisedD.Practising

题型:不详难度:| 查看答案
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