As a resulf of new technique _____ ,the yields as a whole increased by 25%.

试卷相关题目

• 1“When did you first visit New York City、”“I think it _____ in 1976.”

  A.will have been

  B.has to be

  C.must have been

  D.must be

  开始考试点击查看答案
• 2"I was in the army for 3 years.”“But isn′t two years the _____ in your country、”

  A.lengthy service usually

  B.service of lengths services

  C.usuall length of service

  D.usual service length

  开始考试点击查看答案
• 3When preparing elementary school test,care should be taken _____ .

  A.not to make the vocabulary more difficult than necessary

  B.not to make the vocabulary that difficult

  C.so as to not make the vocabulary part too hard

  D.in not making the vocabulary a problem in terms of it difficulty

  开始考试点击查看答案
• 4Slowly,without trying to defend himself,the buffalo sank to his knees and ,with one lion _____ his throat and another his muzzle,died of suffocation(窒息).

  A.hold

  B.held

  C.holding

  D.being held

  开始考试点击查看答案
• 5_____ ，this liquid will dissolve almost anything.

  A.Enough time given

  B.Giving enough time

  C.Given enough time

  D.To give enough time

  开始考试点击查看答案
• 6More middleaged persons suffer from heart trouble than _____ realized.

  A.generally

  B.most people

  C.what people

  D.is generally

  开始考试点击查看答案
• 7Work in parapsychology(灵学)， _____ ，has attracted a relatively small number of scientists.

  A.is a very controversial field

  B.which a very controversial field is

  C.a very controversial field

  D.a field very controversial which

  开始考试点击查看答案
• 8It is ridiculous that he _____ unable to read and write after two years of learning.

  A.is

  B.be

  C.might be

  D.would be

  开始考试点击查看答案
• 9John will not be able to go to the movies tonight because _____ a class.

  A.he should teach

  B.he will have been teaching

  C.he will be teaching

  D.he will have teaching

  开始考试点击查看答案