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【简答题】
Mary: Hi, Peter! Going away for the holidays, right? Peter; Yes, I am. ___51 ___? Mary: Well, I&39;m going to stay in the city. Peter: What are you going to do then?Mary: ___52___ Peter: ___53_? Mary:No, never in a store, but I can learn. Peter:___ 54_? Mary:I need money for school next term, and I can get some experience. So, ___55___ again? Peter: Yes. I&39;ve gone camping four times. It&39;s wonderful at a summer camp. Mary: Well, Peter, enjoy your holidays!Peter:&39; You too. See you!
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【判断题】Southern印迹杂交使用DNA探针,Northern印迹杂交使用RNA探针。
A.
正确
B.
错误
【单选题】The clever boy learns maths very _____________. [     ]
A.
slow
B.
long
C.
fast
【简答题】The clever boy took the clock apart and then ______ it in a short time. 这个聪明的小男孩把闹钟拆了,一会儿就又装好了。
【简答题】你在做 Southern 印迹分析,并且刚完成了凝胶电泳这一步。根据方案,下面一步骤是用 NaOH 溶液浸泡凝胶,使 DNA 变性为单链。为了节省时间,你略过了这一步,直接将 DNA 从凝胶转至硝酸纤维素膜上。然后用标记探针杂交,最后发现放射自显影片是空白。错在哪里 ?
【单选题】The clever boy made a hole in the wall, ______he could see______was going on inside house.
A.
which; what
B.
through which; what
C.
through that; what
D.
what; that
【单选题】下列与异位妊娠无关的临床表现是
A.
停经
B.
阴道流血
C.
下肢水肿
D.
晕厥与休克
E.
限痛
【单选题】三相变压器的联接组别为D,yn表示,下列说法正确的是()。
A.
一次绕组为Y形联接,二次绕组为有中性线的Y形联接。
B.
一次绕组为三角形联接,二次绕组为有中性线的Y形联接。
C.
一次绕组为有中性线的Y形联接,二次绕组为三角形联接。
D.
一次绕组为三角形联接,二次绕组为三角形联接。
【单选题】The clever boy made a hole in the wall, _____ he could see _____ was going on inside the house. [     ]
A.
which; what
B.
through which; what
C.
through that; what
D.
what; that
【单选题】The clever boy worked out the problem _____ at last. [     ]
A.
success
B.
succeed
C.
successful
D.
successfully
【单选题】The clever boy made a hole in the wall, _______ he could see _____ was going on inside house. The clever boy made a hole in the wall, _______ he could see _____ was going on inside house. A. which; wh...
A.
which; what
B.
through which; what
C.
through that; what
D.
what; that
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