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【多选题】
下列属于长日照植物的是 ,A.
大豆
B.
黄瓜
C.
菠菜
D.
碗豆
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【简答题】阅读理解。 Usually,when your teacher asks a question,there is only one correct answer. But there is one question that has millions of correct answers. That question is 'What's your name?' Everyone gives a ...
【单选题】It can be seen that present cloning techniques______.
A.
provide insight into the question of nature vs. nurture
B.
have been widely used in saving endangered species
C.
have proved quite adequate for the cloning of humans
D.
still have a long way to go before reaching maturity
【简答题】测得某电路中三极管各极电位分别是3V、2.3V、12V则三极管的三个电极分别是( )、( )、( ),该管是( )型三极管。
【简答题】测得某电路中三极管各极电位分别是 3V 、 2.3V 、 12V 则三极管的基极的电位是( )、集电极电位为( )、发射极电位为( ),该管是( )型。
【单选题】听力原文： 'Where is the university?' is a question many visitors to Cambridge ask, butno one could point them in any one direction because there is no campus. The university consists of thirty-one self-go...
A.
Because all the buildings in the city look alike.
B.
Because there are no signs to direct them.
C.
Because no tour guides are available.
D.
Because the university is everywhere in the city.
【简答题】The question has been raised at the meeting__________each member country should share the expenses of the committee. A．which B．if C．what D．whether
【单选题】测得某电路中三极管各极电位分别是3V、2.3V、12V则三极管的三个电极分别是( ),该管是( )。
A.
E、B、C
B.
B、C、E
C.
B、E、C
D.
NPN
E.
PNP
【单选题】测得某电路中三极管各极电位分别是3V、2.3V、12V则三极管的三个电极分别是 ,该管是 型。( ) A 、(E、B、C) (PNP) B、(B、C、E) (PNP) C 、(B、E、C) (NPN) D、(B、C、E) (NPN)
A.
、(E、B、C) (PNP)
B.
(B、C、E) (PNP)
C.
、(B、E、C) (NPN)
D.
(B、C、E) (NPN)
【单选题】测得某电路中三极管各极电位分别是3V、2.3V、12V则三极管的三个电极分别是 ( C ), 该管是( )型。
A.
(E、
B.
C) B(B、
C.
E) C(B、E、C)
D.
(PNP)
E.
(NPN)
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