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【单选题】
不属于人工自动免疫特点的是:
A.
使用生物制品为抗原制剂
B.
免疫力持久
C.
主要用于预防
D.
不需加强免疫
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【单选题】As Dr. Samuel Johnson said in a different era about ladies preaching, the surprising thing about computers is not that they think less well than a man, but that they think at all. The early electronic...
A.
He believed that ladies were born worse preacher than man.
B.
He was pleased that ladies could preach, though not as well as inert.
C.
He disapproved of ladies preaching.
D.
He encouraged ladies to preach.
【单选题】When John woke up he was in the hospital, but he didn’t know how that had       .
A.
been happened
B.
come about
C.
been come about
D.
been taken place
【单选题】The author quotes Dr. Samuel Johnson's words to______
A.
criticize the hypocrisy of politicians.
B.
readdress the popularity of Chaplin.
C.
illustrate a universal appeal of humor.
D.
ban satires in totalitarian regimes.
【单选题】Which of the following was not written by Dr. Samuel Johnson ?
A.
Dictionary of the English Language
B.
“Letter to Lord Chesterfield”
C.
A Modest Proposal
D.
Everything else is wrong.
【单选题】手术时寻找阑尾的标志是
A.
三条结肠带的汇集处
B.
空肠
C.
右下腹
D.
左下腹
E.
盲肠前壁
【简答题】某校化学实验课上,同学们用化学方法探究一种钢样品中铁的含量.同学们将11.4g钢样品和20.0g稀盐酸(足量)放入质量为120.0g烧杯中.在化学反应过程中对烧杯及其中的剩余物进行了四次称量,记录如下表: 反应时间 T 0 T 1 T 2 T 3 烧杯和药品质量/g 151.4 151.3 151.0 151.0 (最后结果保留一位小数) (1)反应中产生氢气的质量是______g. (2)钢的类...
【简答题】Questions 31 to 35 are based on the following passage. As Dr. Samuel Johnson said in a different era about ladies preaching, the surprising thing about computer is not that they think less well than a...
【单选题】As Dr. Samuel Johnson said in a different era about ladies preaching, the surprising thing abut computers is not that they think less well than a man, but that they think at all. The early electronic ...
A.
He believed that ladies were born worse preachers than man.
B.
He was pleased that ladies could preach, though not as well as men.
C.
He disapproved of ladies preaching.
D.
He encouraged ladies to preach.
【单选题】When he had run up the hill, he_____for a minute to rest.
A.
burst
B.
continued
C.
posed
D.
paused
【单选题】钢种气体含量最少的时间为()。
A.
熔末
B.
氧末
C.
出钢前
D.
LF精炼后
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