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【单选题】
下列溶液与0.2mol/L NaOH溶液中 物质的量浓度相同的是
A.
0.1mol/L KOH
B.
0.2mol/L
C.
0.1mol/L
D.
0.2mol/L
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参考答案:
举一反三
【单选题】当燃气混合物从烧嘴中的喷出速度远大于火焰传播速度时 ,易发生( )
A.
回火
B.
脱火
C.
爆炸
D.
爆燃
【单选题】— How do you like the new watch? — ____. [     ]
A.
Yes , I like it
B.
Yes , I do
C.
No, I don't like it
D.
I like it
【单选题】下列属于天然抗氧化剂的是
A.
丁基羟基茴香醚
B.
生育酚
C.
L- 抗坏血酸
D.
没食子酸丙酯
【单选题】不属于天然抗氧化剂的是( )
A.
生育酚
B.
植酸
C.
茶多酚
D.
没食子酸丙酯
【单选题】I'd like to ________ this old car with a new model but I can't afford it.
A.
replace
B.
exchang
C.
convert
D.
transmit
【单选题】— Do you like the new jacket? — Yes, I _____. [     ]
A.
am
B.
do
C.
does
D.
like
【单选题】I'd like to______this old car for a new model but I'm afraid I can not afford it.
A.
exchange
B.
convert
C.
replace
D.
substitute
【多选题】下列属于天然抗氧化剂的有()
A.
维生素E
B.
维生素C
C.
β-胡萝卜素
D.
还原型谷胱甘肽
E.
叶绿素
【单选题】I'd like to ______ this old car for a new model but I can't afford it.
A.
rescue
B.
exchange
C.
replace
D.
convert
【单选题】I have never been to New York, but it s the place______.
A.
where I'd like to visit
B.
that I want to visit most
C.
that I want to visit it most
D.
in that I'd like to visit
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