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【单选题】
质反应中药物的ED50是指药物
A.
引起最大效能50%的剂量
B.
引起50%动物阳性效应的剂量
C.
和50%受体结合的剂量
D.
达到50%有效血浓度的剂量
E.
引起50%动物中毒的剂量
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举一反三
【单选题】—Hello. This is Lily. Is Mary in,please?— . Who is that?
A.
Yes,I am
B.
No,I am not
C.
Yes,this is speaking
查看完整题目与答案
【单选题】Why do some animals sleep in wintertime?
A.
Because the cold weather makes it hard for them to find food.
B.
Because they need rest.
C.
Because there is no place for them to play in winer.
查看完整题目与答案
【简答题】根据所给汉语提示完成对话。 (Lily is talking with her friend Mike on the phone.) L: Hello. this is Lily. Who’s that? M: This is Mike,1 want to visit your hometown. Can you give me Some advice? L: Sure, What do you ...
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【简答题】This is Lily. ____friend of mine.
查看完整题目与答案
【单选题】( ) 3 2 . — Hello! This is Kevin. ________ — This is Lily. I want to speak with Mr. Gao.
A.
Who are you?
B.
Nice to meet you.
C.
May I help you?
查看完整题目与答案
【单选题】三、逻辑判断．每题给出一段陈述，这段陈述被假设是正确的，不容置疑的．要求你根据这段陈述，选择一个答案．注意：正确的答案应与所给的陈述相符合，不需要任何附加说明就可以从陈述中直接推出． 请开始答题： 史密斯：传统的壁画是这样完成的：画家在潮湿的灰泥上作画，待灰泥干了以后，这幅画就完成并保存了下来．可惜的是，目前罗马教堂中米开朗基罗的壁画上，有明显的在初始作品完成后添加的痕迹．因此，为了使作品能完全体...
A.
在目前见到的米开朗基罗的壁画中，不可能准确区分哪些是初始的，哪些是后来添加的痕迹
B.
去掉任何后来添加的痕迹所恢复的米开朗基罗壁画，很可能并不完全体现米开朗基罗本人的意图
C.
在目前的米开朗基罗壁画中去掉任何后来添加的东西，不一定就能完全恢复该幅壁画的初始面貌
D.
米开朗基罗壁画中后来添加的东西，除了画家本人外，不可能出自其他人之手
查看完整题目与答案
【单选题】Speaker A: Lily, I'd like you to meet my friend, Bob. Bob, this is Lily. Speaker B:
A.
Hi, Lily. The weather is good today.
B.
Hi, Lily. How old are you?
C.
Hi, Lily. Nice to meet you.
查看完整题目与答案
【单选题】__________ are my sisters．This is Alice，and this is Lily．
A.
These
B.
That
C.
This
D.
It
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【单选题】________ Lucy and this is Lily . They are my good ________. [     ]
A.
This is; friend
B.
This is; friends
C.
It is; sisters
查看完整题目与答案
【单选题】In wintertime, food was hard to come _____ , so many animals died of hunger.
A.
to
B.
into
C.
by
D.
up
查看完整题目与答案
相关题目：
【单选题】—Hello. This is Lily. Is Mary in,please?— . Who is that?
A.
Yes,I am
B.
No,I am not
C.
Yes,this is speaking
查看完整题目与答案
【单选题】Why do some animals sleep in wintertime?
A.
Because the cold weather makes it hard for them to find food.
B.
Because they need rest.
C.
Because there is no place for them to play in winer.
查看完整题目与答案
【简答题】根据所给汉语提示完成对话。 (Lily is talking with her friend Mike on the phone.) L: Hello. this is Lily. Who’s that? M: This is Mike,1 want to visit your hometown. Can you give me Some advice? L: Sure, What do you ...
查看完整题目与答案
【简答题】This is Lily. ____friend of mine.
查看完整题目与答案
【单选题】( ) 3 2 . — Hello! This is Kevin. ________ — This is Lily. I want to speak with Mr. Gao.
A.
Who are you?
B.
Nice to meet you.
C.
May I help you?
查看完整题目与答案
【单选题】三、逻辑判断．每题给出一段陈述，这段陈述被假设是正确的，不容置疑的．要求你根据这段陈述，选择一个答案．注意：正确的答案应与所给的陈述相符合，不需要任何附加说明就可以从陈述中直接推出． 请开始答题： 史密斯：传统的壁画是这样完成的：画家在潮湿的灰泥上作画，待灰泥干了以后，这幅画就完成并保存了下来．可惜的是，目前罗马教堂中米开朗基罗的壁画上，有明显的在初始作品完成后添加的痕迹．因此，为了使作品能完全体...
A.
在目前见到的米开朗基罗的壁画中，不可能准确区分哪些是初始的，哪些是后来添加的痕迹
B.
去掉任何后来添加的痕迹所恢复的米开朗基罗壁画，很可能并不完全体现米开朗基罗本人的意图
C.
在目前的米开朗基罗壁画中去掉任何后来添加的东西，不一定就能完全恢复该幅壁画的初始面貌
D.
米开朗基罗壁画中后来添加的东西，除了画家本人外，不可能出自其他人之手
查看完整题目与答案
【单选题】Speaker A: Lily, I'd like you to meet my friend, Bob. Bob, this is Lily. Speaker B:
A.
Hi, Lily. The weather is good today.
B.
Hi, Lily. How old are you?
C.
Hi, Lily. Nice to meet you.
查看完整题目与答案
【单选题】__________ are my sisters．This is Alice，and this is Lily．
A.
These
B.
That
C.
This
D.
It
查看完整题目与答案
【单选题】________ Lucy and this is Lily . They are my good ________. [     ]
A.
This is; friend
B.
This is; friends
C.
It is; sisters
查看完整题目与答案
【单选题】In wintertime, food was hard to come _____ , so many animals died of hunger.
A.
to
B.
into
C.
by
D.
up
查看完整题目与答案