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【单选题】
将质粒或其他外源DNA导入处于感受态的宿主细胞，并使其获得新的表型的过程称为( )A.
转化
B.
转染
C.
感染
D.
侵入
E.
诱导
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举一反三
【单选题】It is hoped that there will be ______ time in the future when _____man can beat all diseases.
A.
a; the
B.
a; 不填
C.
不填; the
D.
不填；不填
【简答题】请问图中元器件叫什么?( )
【单选题】whatever great achievements the future may have in store for China, ______ is likely that many of them will be born in Zhongguancun.
A.
it
B.
which
C.
she
D.
that
【单选题】From the last sentence of the first paragraph we learn that ______ .
A.
in the future all the Americans will use credit cards
B.
credit cards are mainly used in the United States today
C.
nowadays many Americans do not pay in cash
D.
it is now more convenient to use credit cards than before
【单选题】42 Which of the following statements is true of the future robots?
A.
They will take over the information industry.
B.
They will relieve us of many chores.
C.
They will never surpass us.
D.
They will become high-cost commodity items.
【简答题】请问图中元器件叫什么( )
【单选题】The Geodesic Dome (圆顶屋)--the House of the Future? R. Buckminster Fuller spent much of the early 20th Century looking for ways to improve human shelter by applying modern technological know-how to shel...
A.
Y
B.
N
C.
NG
【简答题】阅读理解。 Douglas Grace talks about his ideal city of the future. I see the city of the future in three zones-inner, middle and outer. In the inner zone there will be no private cars. Public transport wil...
【简答题】请问图中元器件叫什么( ) )
【简答题】请问图中元器件叫( )?
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