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【单选题】
在电子显微镜下原核生物的转录现象呈羽毛状图形,这说明A.
在同一模板链上,有多个转录同时在进行
B.
转录产物与模板形成很长的杂化双链
C.
越靠近模板5′端转录产物越短
D.
越靠近模板3′端转录产物越长
E.
转录未终止翻译不能进行
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【简答题】从某种意义上说，投资某个上市公司实际上就是以某个行业为投资对象。（ ）
【单选题】People do not analyse every problem they meet. Sometimes they try to remember a solution from the last time they had a【C1】______ problem. They often accept the opinion or ideas of other people. Other ...
A.
serious
B.
usual
C.
similar
D.
common
【简答题】何谓上消化道出血？常见的病因有哪些？
【简答题】early give destroy regard file relate to accomplish mean patent apply for 上述十个单词以适当形式填空 The right of priority (A) that, on the basis of a regular application for an industria...
【单选题】Scientists have wondered for a long time if animals can learn to talk as human beings do. Several years【C1】______ , two psychologists took a baby chimpanzee into their home and raised it as a member o...
A.
after
B.
later
C.
ago
D.
before
【简答题】从某种意义上说，投资某个上市公司实际上就是以某个行业为投资对象。 （ ）
【单选题】Passage 1For most people learning to drive, the driving test arises ahead as a major barrier. It is also a general source of conversation whenever drivers are gathered together. There are probably mor...
A.
are trained for six weeks, then have a difficult selection interview
B.
are given regular driving tests themselves by supervising examiners
C.
sometimes have more than six weeks ’ training
D.
are tested during the selection process to see if their driving is of a high standard
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