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【单选题】
空气中含量最高的稀有气体是A.
Ne
B.
Ar
C.
Xe
D.
He
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举一反三
【判断题】The best answer to the invitation “You really must come and see us one of these days.” may be “Thank you very much. I love meeting English people.”
A.
正确
B.
错误
【简答题】有机物G广泛用作香精的调香剂，科技人员设计了如下路线合成该物质： 试回答下列问题： （1）按系统命名法给B物质命名 。 （2）D物质的官能团名称 。 （3）上述合成路线中属于取代反应的是 (填编号)。 （4）反应④的化学方程式为 。 （5）F有多种同分异构体，其中满足：（ⅰ）属于芳香族化合物；（ⅱ）不能使与FeCl 3 溶液显色的同分异构体的结构简式为 。
【简答题】The best answer to the invitation "You really must come and see us one of these days." maybe " Thank you very much. I love meeting English people ."
【判断题】The best answer to the invitation "You really must come and see us one of these days" may be "Thank you very much. I love meeting English people."
A.
正确
B.
错误
【单选题】以下( )不属于预算定额中人工幅度差应考虑的人工消耗。
A.
对前一工序不可避免的修理用工。
B.
材料供应不及时的人工损耗。
C.
停电、停水造成的人工损耗。
D.
隐蔽工程验收造成的影响。
【简答题】命名下列金属有机化合物，写出中心金属原子的氧化态。(1)Ir(CO)Cl(PPh3)2(2)RhCl(PPh3)3(3)HCo(CO)4(4)K[Pt(C2H4)Cl3] (5)Co2(CO)8
【单选题】阅读题 Rob Welcome to the show, Dr. Apple Day! Apple Please, just call me Apple. Rob Sure. So, Apple, you're a doctor. Let's talk about winter sicknesses. Apple OK. In the winter, people often get colds....
A.
Blackheads.
B.
Diarrhea.
C.
Jet lag.
D.
The flu.
【单选题】阅读题 Rob Welcome to the show, Dr. Apple Day! Apple Please, just call me Apple. Rob Sure. So, Apple, you're a doctor. Let's talk about winter sicknesses. Apple OK. In the winter, people often get colds....
A.
stuffy; sour
B.
red; soar
C.
blocked; sore
D.
runny; sour
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