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【单选题】
常因形成半合子而引起疾病的遗传病有:A.
AR
B.
AD
C.
XR
D.
XD
E.
Y连锁遗传病
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举一反三
【简答题】________是指判定语句中的每个条件都要取真、假各一次。
【单选题】It is concluded from the passage that the testimony given by one or two persons is ______.
A.
always worthless
B.
often reliable
C.
interesting but not reliable
D.
nearly worthless if it is concerned with matters of great importance
【单选题】______ of the two subjects in the experiment realized that they were being given placebos instead of the real medication.
A.
Most
B.
Either
C.
Several
D.
Neither
【单选题】and we’ll finish the work on time.
A.
If we are given two more days
B.
Two more days
C.
Having two more days
D.
Given two more days
【单选题】语句覆盖和判定覆盖有什么不同（） A. 语句覆盖程序中每一个判断至少要执行一次 B. 判定覆盖程序中每个判断的取真分支和取假分支至少经历一次。 C. 判定覆盖程序中各种组合至少执行一次 D. 语句覆盖是指程序中每一条语句至少被执行一次
A.
A、C
B.
A、B
C.
C、D
D.
B、D
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