题目内容

用下列方法进行重组体的筛选,只有()说明外源基因进行了表达。

A. Southem印迹杂交
B. Northem印迹杂交
C. Western印迹
D. 原位菌落杂交

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为什么说执著是一切痛苦的来源?请以教证、理证、公案具体分析。

电流互感器串联在被测电路中,电压互感器并联在被测电路中。()

A. 正确
B. 错误

药物配伍上以清热解暑的药物与益气生津的药物有机配合的方是()

A. 白虎汤
B. 清营汤
C. 桂苓甘露散
D. 六一散
E. 清暑益气汤

In writing up the logbook at the end of your watch,you make an erron in writing an entry. What is the proper means of correcting this error?().

A. cross out the error with a single line,and write the correct entry ,then initialit
B. carefully and neatly erase the and rewrite it correctly
C. remove this page of the log book , and rewrite all entries on a clean page
D. Blot out the error completely and rewrite the entry correctly

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