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【单选题】
下列关于结核菌试验结果描述正确的是:
A.
结核菌素试验阴性即可除外结核
B.
卡介苗接种成功,结核菌素反应多呈阳性
C.
重症肺结核的结核菌素反应多呈阳性
D.
结核菌素试验阳性,肯定患有结核病
E.
初次感染结核后2,结核菌素试验阳性
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【简答题】Dialogue 3 Vocabulary 1 s ti ck it out: to continue till the end of a difficult or unpleasant situation 2 s p ark / spa:/ v . to cause the start of something, especially an argument or fighting 3 drag...
【简答题】提高盐浓度可使DNA分子的熔点(T m )升高。(    )
【单选题】But they raise the specter of how reliant we are on our phones-and how much influence phones have in our social lives.
A.
dependent
B.
form; make up
C.
understand
D.
make the most of
【单选题】中枢神经系统内,神经元胞体聚集而成的团块为( )
A.
神经核
B.
神经节
C.
灰质
D.
白质
【简答题】在Java中,以下程序段能正确为数组赋值的是( )。A. int a[]={1,2,3}; B. int b[3]={1,2,3}; C. int c[]; c=new int[3]{1,2,3}; D. int d[]; d=new int[]{1,2,3};
【判断题】提高盐浓度可使DNA分子的熔点(Tm)升高。
A.
正确
B.
错误
【单选题】The specter of divorce was always on her mind that Rosalie could hardly go to sleep at night.
A.
scarcity
B.
scare
C.
scary
D.
scarce
【简答题】Chomsky initiated the distinction between______and performances.
【判断题】提高盐浓度可使DNA分子的熔点(Tm)升高。
A.
正确
B.
错误
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