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【单选题】
下列涉及有机物的说法正确的是
A.
纤维素、蔗糖、葡萄糖和淀粉酶在一定条件下发生水解反应
B.
变质的油脂有难闻的特殊气味,是由于油脂发生了水解反应
C.
苯能与溴发生取代反应,因此不能用苯萃取溴水中的溴
D.
高温或日常用的消毒剂可使禽流感病毒蛋白质变性
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参考答案:
举一反三
【简答题】A.Because the people there need more labor to support the family. B.Because the people there have the habit to have a big family. C.Because the people there are, poorer. D.Because the people there wan...
【判断题】心脏在停跳前,一般要经过心室纤颤过程,所以要早期进行心脏除颤。
A.
正确
B.
错误
【判断题】心脏在停跳前一般要经过心室纤颤过程,所以要早期进行心脏除颤。
A.
正确
B.
错误
【单选题】The result of the tests shows that ______.
A.
the more people there are together, the more people will act to help
B.
college students would be more likely to help than ordinary Americans
C.
the more people there are together, the fewer people will act to help
D.
none of the tested students acted to help
【单选题】“何如薄幸锦衣郎,比翼连枝当日愿”,出自清代词人纳兰性德《木兰花令 . 拟古决绝词柬友》。请问诗中的“锦衣郎”指的是谁?
A.
李后主
B.
唐玄宗
C.
唐太宗
【简答题】---------曲线是表示干燥过程中任何时间的干燥速度与该时间的食品绝对水分之间关系的曲线。
【单选题】可以使线程启动的方法是()?
A.
start()
B.
run()
C.
join()
D.
wait()
【单选题】Which of the following is NOT true?
A.
Pets are allowed because people there are considerate.
B.
It is a quiet neighborhood.
C.
There is no elevator in the building.
D.
There's a laundry room in the building.
【多选题】大众汽车公司上世纪80年代在中国推出的桑塔纳轿车,如今每年的销售率渐缓,市场稳定,对该轿车所采取的市场营销策略的途径可以是
A.
开发新市场
B.
开发新产品
C.
寻找新用户
D.
高价格高促销
E.
改良产品特性满足消费需求
【简答题】A.It's too windy. B.The beaches are dirty. C.The air is polluted. D.The people there are terribly rude.
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