_______ was a planted sapling of the American redwood tree.
A.There is one of the gifts
B.One of the gifts that
C.That one of the gifts
D.One of the gifts
试卷相关题目
- 1There is also an interest in sea horse, puffers and other salty types with shapes ____ and colors ____ than even the showiest of fresh-water fish.
A.more strange…more bright
B.stranger…. brighter
C.stranger… more brighter
D.more strange…brighter
开始考试点击查看答案 - 2The gas-oil contact or gas-water contact_____ the lower limit of producible gas.
A.is
B.are
C.were
D.has been
开始考试点击查看答案 - 3For the creatures to become oil, it was necessary that they ______ between layers of rock for an enormous length of time.
A.been imprisoned
B.shall be imprison
C.should be imprison
D.will be imprisoned
开始考试点击查看答案 - 4The assumption _____ human cloning rests is that all genetic cells contain exact copies of the original set o9f genetic instructions.
A.on which
B.on that
C.at which
D.which
开始考试点击查看答案 - 5The water ________ Manhattan has been very important to New York.
A.surround
B.is surrounded
C.surrounding
D.surrounded
开始考试点击查看答案 - 6An air ship _______ by energy from the sun has been suggested.
A.powering
B.to power
C.is powered
D.powered
开始考试点击查看答案 - 7Most scientists agree _______ was hot for at least a time.
A.some of the moon that
B.some of the moon it
C.that some of the moon
D.while some of the moon
开始考试点击查看答案 - 8A group of scientists demanded that the federal government ____ all the studies it has founded on cloning.
A.reveal
B.revealed
C.is revealing
D.must reveal
开始考试点击查看答案 - 9_______ hearing is really produced in all animals by the effect of pressure is not definitely known by scientists.
A.If or not
B.Whether or not
C.have never heard of
D.had never heard of
开始考试点击查看答案 - 10It was something we ________.
A.never hear of
B.have never heard of
C.never heard of
D.had never heard of
开始考试点击查看答案
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