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【单选题】
关于基因基本结构特点叙述错误是( )。A.
基因包含编码蛋白质或RNA的编码序列及其与之相关的非编码序列
B.
基因结构最突出的特点是其连续性
C.
高等真核生物绝大部分编码蛋白质的基因都有内含子，但组蛋白编码基因例外
D.
外显子与内含子接头处有一段高度保守的序列
E.
人们约定将一个基因的5′端称为上游，3′端称为下游
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【简答题】The purpose of systems ysis phase is to build a logical model of the new system. The first step is（ ）, where you investigate business processes and document what the new system must do to satisfy ...
【单选题】The logical organization of the text is that _____.
A.
an assertion is made, followed by a few examples to illustrate it.
B.
future dangers are stated and relative measures are to be adopted.
C.
a historical trend is stated and evidence is then provided to prove it.
D.
examples of risks are given and reasons are then advanced to clarify them.
【简答题】The magazines in the reading room _________ ( take) home.
【单选题】You are not _______ to take the newspapers and magazines out of the reading room.
A.
hoped
B.
imagined
C.
supposed
D.
wished
【简答题】There is (umbrella) in the room.
【单选题】___in this room that our first meeting was held.
A.
Just when
B.
When
C.
Where
D.
It was
【单选题】—________ are they singing? —They’re singing in the music room.
A.
Who
B.
What
C.
Where
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