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【单选题】
有关刺激与反应的下述各点，正确的是
A.
同样的刺激作用于同类组织,其反应必然相同
B.
引起组织反应的刺激称为國刺激
C.
引起组织反应的环境条件变化都可称为刺激
D.
反应是指神经系统参与下的一系列活动
E.
只要是刺激均能引起反应
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【单选题】The Smiths have gone to New York for their holiday, with an old servant ____ their house.
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B.
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C.
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相关题目：
【单选题】毛状根诱导不能采用的方法是什么?
A.
通气搅拌法
B.
外植体接种法
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【单选题】听力原文：W: You know, the Smiths have invested all their money in stocks. M: They may think that's a wise move but that's the last thing I would do. Q: What's the man's opinion about the Smiths' investmen...
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【简答题】据报道，某超市在中秋节后推出月饼盒换鸡蛋的活动。请你就此事用英语写一篇短文，向校英文报的Environment 专栏投稿。 内容主要包括：1. 商品包装带来环境问题； 2. 此项活动带来的好处； 3. 你对回收利用的看法。 注意：1. 词数120左右；   2. 可以适当增加细节；  3. 开头已给出，但不计入总词数。 It is reported that a supermarket has o...
查看完整题目与答案
【多选题】以下关于折半查找的说法,正确的是( )。
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折半查找只适用于顺序表
B.
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折半查找的判定树一定为一棵完全二叉树
查看完整题目与答案
【单选题】The Smiths have gone to New York for their holiday, with an old servant ____ their house.
A.
looking after
B.
look after
C.
having looked after
D.
looked after
查看完整题目与答案
【单选题】罗马帝国在尼禄皇帝的指使下，开始了公开的第一次迫害基督徒的活动的时间是（）
A.
公元前46年
B.
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C.
公元64年
D.
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查看完整题目与答案
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A.
图密善黄帝
B.
塞维鲁黄帝
C.
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D.
戴克里先黄帝
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【单选题】Even though the Smiths have moved to a faraway place, we still see them ___.
A.
from time to time
B.
at a time
C.
at the same time
D.
all the time
查看完整题目与答案
【单选题】The Smiths have three daughters, one a baby, and ________ twins of twelve.
A.
another
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the other
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【单选题】听力原文：W: You know, the Smiths have invested all their money in stocks. M: They may think that's a wise move but that's the last thing I'd do. What is the man's opinion about the Smiths' investment?
A.
He feels they have done a wise thing.
B.
He doesn't think they should move.
C.
He thinks it is better to invest later.
D.
He thinks it is unwise to buy stocks.
查看完整题目与答案