It never occurred to humans until the mid-l990s ______ some animals can be cloned.
发布时间:2021-08-16
A.where
B.that
C.when
D.what
试卷相关题目
- 1So well ______ in 2009 that the world has agreed that it was the year of Chin
A.A.did China perform
B.China has performed
C.was China performed
D.China is performing
开始考试点击查看答案 - 2Some people skip meals or eat only tiny amounts of food and may have conditions ______ rob the body of the nutrients ______ needs to grow and stay healthy.
A.which…it
B.that…that
C.where…that
D.where…it
开始考试点击查看答案 - 3The reason ________ she gave for not being present was ________ the heavy snow prevented her coming.
A.why; because
B.why; whether
C.that; that
D.how; that
开始考试点击查看答案 - 4He failed in the exam, _______ proves that he wasn't working hard enough.
A.which
B.what
C.it
D.that
开始考试点击查看答案 - 5Nowadays teachers tend to be more dependent on ________ is thought to be a great teaching aid—the computer.
A.that
B.which
C.what
D.as
开始考试点击查看答案 - 6Finally, the thief handed everything _______ he had stolen to the police.
A.which
B.what
C.whatever
D.that
开始考试点击查看答案 - 7Peter was so angry at all ____ Mary was doing ______ he walked out.
A.what; as
B.what; that
C.that; which
D.that; that
开始考试点击查看答案 - 8 Only when the war was over _______ return to his hometowns.
A.have the soldiers
B.the soldiers
C.the soldiers did
D.did the soldiers
开始考试点击查看答案 - 9In the past few years, research has suggested that Vitamin D may increase the level of serotonin(血清素), one of the key nurotransmitters influencing our mood, and ________it helps to relieve mood disorders.
A.that
B.where
C.what
D.which
开始考试点击查看答案 - 10“I'm certainly more and more to the conclusion that Iraq has, ______ they maintained(断言), destroyed almost all of _____ they had in the summer of 1991.” Blix said.
A.which, what
B.as, which
C.as, that
D.as, what
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