皮皮学，免费搜题
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搜题
【单选题】
毒物按其致毒作用可划分为窒息性、麻醉性、腐蚀性及()毒物等。A.
(A)辐射性
B.
(B)扩散性
C.
(C)传染性
D.
(D)致敏性
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举一反三
【单选题】From the mid-1980s, the Chinese government began to give top ___ to Scientific and educational development.
A.
preference
B.
primacy
C.
privilege
D.
priority
【简答题】停留时间对裂解反应有何影响?
【单选题】From the mid-1980s, the Chinese government began to give top ______to scientific and educational development.
A.
preference
B.
primacy
C.
privilige
D.
priority
【单选题】From the mid-1980s, the Chinese government began to give top ___ to scientific and enducationa development.
A.
preference
B.
primacy
C.
privilege
D.
priority
【简答题】频率大于 HZ的机械波被称为超声波。
【判断题】From the mid-1980s through the mid-1990s, the percentage of consumers reporting that they were very concerned about the nutritional content of the food they ate fell slightly.
A.
正确
B.
错误
【单选题】From the mid 1980s, the Chinese government began to give top _____to scientific and educational development.
A.
preference
B.
primacy
C.
privilege
D.
priority
【单选题】From the mid-1980s, the Chinese government began to give top____ to scientific and education development.
A.
preference
B.
primacy
C.
privilege
D.
priority
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