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【判断题】
毒效应的强度主要取决于终毒物在其作用的靶部位的浓度和持续时间。A.
正确
B.
错误
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【单选题】Such exchange students________have a good knowledge of English will not worry about their daily life in America.
A.
who
B.
as
C.
that
D.
/
【简答题】D Editors/Designers Wanted China Daily, a national English newspaper, is looking for English-language senior editors/ designers. Senior Business Editor You must: assist the Business editor in setting ...
【简答题】碳的质量分数小于____的钢为低碳钢,碳的质量分数为____、的钢为中碳钢,碳的质量分数大于____的钢为高碳钢。
【简答题】When did the first daily English newspaper come out? It came out in__________.
【单选题】It's my daily duty to have the English newspapers ________ to the senior students. [ ]
A.
printed
B.
published
C.
delieved
D.
advertised
【简答题】低碳钢的碳质量分数为范围______；中碳钢碳质量分数为范围为______；高碳钢的碳质量分数为范围______。
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