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【判断题】
大肠杆菌表达外源蛋白的主要形式是分泌表达。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】Much______(使研究人员感到惊讶) , the outcome of the experiment was far better than they had expected.
【单选题】Thank you for giving me a hand. I ______ in the experiment without your valuable help.
A.
have failed
B.
will fail
C.
would have failed
D.
must have failed
【简答题】Use splitting to construct the equivalent minimal DFA: 。
【单选题】It was when he began to make the new experiment in 1908 ______ such an ambitious plan.
A.
had he
B.
did he have
C.
that did he have
D.
that he had
【单选题】Experiment of this kind _____ in both the U.S. and Europe well before the Second World War. [ ]
A.
have conducted
B.
have been conducted
C.
had conducted
D.
had been conducted
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