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【单选题】
下列属于二氢叶酸还原酶抑制剂的是
A.
克拉维酸钾
B.
甲氧苄胺嘧啶
C.
舒巴坦
D.
丙磺舒
E.
磺吡酮
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举一反三
【单选题】When did the first road traffic death happen?
A.
In 1886
B.
In 1887
C.
In 1896
D.
In 1903
【单选题】在代码设计原则中,代码的可扩充性是指
A.
每个代码的含义是唯一的
B.
代码的位数是可变长的
C.
编码要留有足够的空位置
D.
代码的含义是可以变化的
【单选题】When did the first Jiefang truck roll off the assembly line?
A.
On July 1st, 1956
B.
On July 13th, 1956
C.
On July 14th, 1956
D.
On July 23rd, 1956
【单选题】下列游客中,不属于旅行社招徕,组织,接待来华旅游的是( )。
A.
境内游
B.
外国游客
C.
香港游客
D.
澳门游客
【单选题】When did the first commercial AR application appear?
A.
In 2004.
B.
In 2008.
C.
In 2010.
D.
In 2011.
【单选题】When did the first military action of the Cold War begin?
A.
In June 1940
B.
In June 1940
C.
In June 1950
D.
In June 1955
【单选题】下述哪项不是慢支发生的病因
A.
病毒和细菌感染
B.
吸烟
C.
大气污染
D.
寒冷气候
E.
饮酒
【多选题】认证中心的主要职能就是对数字证书进行管理,具体包括
A.
证书发放
B.
证书更新
C.
证书撤销
D.
证书验证
E.
证书印刷
【单选题】When did the first artificial language appear?
A.
At about 1880.
B.
In 1887.
C.
In the 20th century.
D.
No one knows it.
【单选题】When did the first digital camera was made?
A.
1975
B.
1985
C.
1995
D.
1965
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