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【单选题】
DNA指导的RNA聚合酶由数个亚基组成,其核心酶的组成是( )
A.
α2ββ
B.
α2ββ'ω
C.
ααβ'
D.
αββ'
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举一反三
【单选题】寒痰湿浊停聚于肺，肺失肃降时的临床表现是
A.
咳声重浊沉闷
B.
咳声轻清低微
C.
咳声不扬，痰臭色黄，不易咯出
D.
咳有痰声，痰多容易咯出
E.
干咳无痰或少痰
查看完整题目与答案
【单选题】以下程序的输出结果是______。 main() { char c1='6',c2='0'; printf('%d,%d,%d/n',c1,c2,c1-c2); }
A.
因输出格式不合法，输出出错信息
B.
54，48，6
C.
6，0，7
D.
6，0，6
查看完整题目与答案
【多选题】下列叙述中哪些符合沙丁胺醇
A.
结构中含有羟甲基
B.
结构中含有叔丁氨基
C.
作用于β2 受体
D.
具有儿茶酚结构部分
E.
用于治疗哮喘
查看完整题目与答案
【多选题】下列( )变化将引起物品需求的变化
A.
收入
B.
物品本身的价格
C.
其他相关物品的价格
D.
偏好
查看完整题目与答案
【单选题】Kate felt upset when she found her flowers ______ in the frost this morning. had performed had deceased had deleted had perished
A.
had performed
B.
had deceased
C.
had deleted
D.
had perished
查看完整题目与答案
【单选题】Kate had a terrible time this summer. Not a day ________ without having some unpleasantness with her sister at home.
A.
she spent
B.
she had spent
C.
did she spend
D.
had she spent
查看完整题目与答案
【多选题】下列( )的变化将引起物品需求的变化
A.
收入
B.
物品本身的价格
C.
其他相关物品的价格
D.
偏好
查看完整题目与答案
【单选题】患者，2天前出现腹痛泄泻，现泄泻清稀，甚者如水样，腹痛肠鸣，脘闷纳少，苔薄白或白腻，脉濡数。证属
A.
湿热泄泻
B.
寒湿泄泻
C.
食滞泄泻
D.
脾虚泄泻
E.
肾虚泄泻
查看完整题目与答案
【单选题】It was April 1, 2001 William and Kate had their first baby.
A.
that
B.
when
C.
since
D.
before
查看完整题目与答案
【单选题】Kate had paid him in advance, which _________ was a mistake.
A.
no more
B.
no doubt
C.
no wonder
D.
no luck
查看完整题目与答案
相关题目：
【单选题】寒痰湿浊停聚于肺，肺失肃降时的临床表现是
A.
咳声重浊沉闷
B.
咳声轻清低微
C.
咳声不扬，痰臭色黄，不易咯出
D.
咳有痰声，痰多容易咯出
E.
干咳无痰或少痰
查看完整题目与答案
【单选题】以下程序的输出结果是______。 main() { char c1='6',c2='0'; printf('%d,%d,%d/n',c1,c2,c1-c2); }
A.
因输出格式不合法，输出出错信息
B.
54，48，6
C.
6，0，7
D.
6，0，6
查看完整题目与答案
【多选题】下列叙述中哪些符合沙丁胺醇
A.
结构中含有羟甲基
B.
结构中含有叔丁氨基
C.
作用于β2 受体
D.
具有儿茶酚结构部分
E.
用于治疗哮喘
查看完整题目与答案
【多选题】下列( )变化将引起物品需求的变化
A.
收入
B.
物品本身的价格
C.
其他相关物品的价格
D.
偏好
查看完整题目与答案
【单选题】Kate felt upset when she found her flowers ______ in the frost this morning. had performed had deceased had deleted had perished
A.
had performed
B.
had deceased
C.
had deleted
D.
had perished
查看完整题目与答案
【单选题】Kate had a terrible time this summer. Not a day ________ without having some unpleasantness with her sister at home.
A.
she spent
B.
she had spent
C.
did she spend
D.
had she spent
查看完整题目与答案
【多选题】下列( )的变化将引起物品需求的变化
A.
收入
B.
物品本身的价格
C.
其他相关物品的价格
D.
偏好
查看完整题目与答案
【单选题】患者，2天前出现腹痛泄泻，现泄泻清稀，甚者如水样，腹痛肠鸣，脘闷纳少，苔薄白或白腻，脉濡数。证属
A.
湿热泄泻
B.
寒湿泄泻
C.
食滞泄泻
D.
脾虚泄泻
E.
肾虚泄泻
查看完整题目与答案
【单选题】It was April 1, 2001 William and Kate had their first baby.
A.
that
B.
when
C.
since
D.
before
查看完整题目与答案
【单选题】Kate had paid him in advance, which _________ was a mistake.
A.
no more
B.
no doubt
C.
no wonder
D.
no luck
查看完整题目与答案