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【单选题】
以下哪种材料的密度最大?[2005-010]A.
花岗岩
B.
水泥
C.
砂子
D.
黏土
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举一反三
【单选题】Which of the following statements about Origen and Embrex is correct according to the fifth paragraph?
A.
Origen and Embrex will jointly invent machines to increase production.
B.
Origen wants to purchase an efficient donor cells injecting machine.
C.
Origen has joined hands with Embrex in producing cell-injecting machines.
D.
Origen is the leading company in producing embryo-locating machines.
【单选题】The United States is the ______ largest country in the world.
A.
second
B.
third
C.
fourth
D.
fifth
【简答题】园林苗圃生产用地应如何进行合理区划？
【简答题】Illogically , she had expected some kind of miracle solution.
【单选题】She hardly thinks that there is any hop of hearing from them soon, ____?
A.
does she
B.
doesn’t she
C.
is there
D.
isn’t there
【单选题】As a boy, Sanders was much influenced(影响) by books about the sea, but by the age of fifteen he had decided to become a doctor rather than a sailor. His father was a doctor. So he was often with the do...
A.
a surgeon
B.
an army man
C.
a sailor
D.
a life-saver
【简答题】Illogically, she hopes to pass the exam without learning hard.
【简答题】In general, the amount that a student spends for housing should be held to one-fifth the total ________ for living expenses. A) acceptable B) available C) advisable D) applicable
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