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【单选题】
几乎见不到药物的致畸作用是在妊娠()
A.
妊娠3
B.
妊娠半个月以内
C.
受精后半个月以内
D.
受精后3-5
E.
受精后3以内
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参考答案:
举一反三
【多选题】( )工程要求板材应有相应性能等级的检测报告。
A.
有隔声要求的
B.
有隔热要求的
C.
有阻燃要求的
D.
有防潮要求的
E.
有色彩要求的
【单选题】Excessive alkalinity of the water in an auxiliary boiler can cause _____.
A.
caustic embrittlement of the boiler metal
B.
acidic corrosion of the boiler metal
C.
hard scale deposits on the boiler tubes
D.
etching of the heat exchange surfaces
【单选题】CAUSTIC:
A.
innocuous
B.
tortuous
C.
inflexible
D.
deadening
E.
sterile
【单选题】Cargo that might leak from containers are known as ______.
A.
dirty cargoes
B.
caustic cargoes
C.
wet cargoes
D.
bulk cargoes
【判断题】坚持中国特色社会主义政治发展道路必须坚持和完善四项基本原则、中国共产党领导的多党合作和政治协商制度、民族区域自治制度、基层群众自治制度。
A.
正确
B.
错误
【简答题】caustic flooding ( )
【判断题】燃料费用的归集与分配核算和材料费用的核算完全不同。
A.
正确
B.
错误
【单选题】Vanity Fair, a caustic satire novel on the aristocratic-bourgeois moiety of the time, is the masterpiece of
A.
William Makepeace Thackeray.
B.
Robert Burns.
C.
William Blake.
D.
Henry Fielding.
【单选题】Cargoes that might leak from containers are known as ______.
A.
Dirty cargoes
B.
Caustic cargoes
C.
Wet cargoes
D.
Bulk cargoes
【单选题】Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?
A.
Sodium hydroxide
B.
Sodium carbonate
C.
Sodium nitrate
D.
Sodium polyphosphate
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