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【单选题】
甲烷化反应是指( )的反应。A.
烃类裂解生成CH4
B.
CO和CO2加氢生成CH4
C.
CH4生成大分子烃类
D.
CH4生成CO
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反馈参考答案：
举一反三
【判断题】Today, coffee is one of the three most popular beverages worldwide, the other two are tea and cocoa
A.
正确
B.
错误
【单选题】细胞色素在电子传递链中的排列顺序是
A.
Cytb-c 1 -c-aa 3 -O 2
B.
Cytb-c-c 1 -aa 3 -O 2
C.
Cytb-c 1 -aa3-c-O 2
D.
Cytc 1 -c-b-aa 3 -O 2
E.
Cytc-c 1 -b-aa 3 -O 2
【单选题】Today, coffee is one of the three most popular beverages worldwide, the other two are tea and ( ).
A.
Wine
B.
Cocoa
C.
Beer
D.
Chocolate
【多选题】Today, coffee is one of the three most popular beverages worldwide, the other two are () and| () .
A.
soda
B.
cola
C.
tea
D.
cocoa
【简答题】Coffee has been a part of people’s lives for thousands of years, and today it is still one of the favorite drinks in the world. Many people in the world begin their busy day by drinking a cup of or se...
【单选题】细胞色素在电子传递链中的排列顺序是
A.
Cytb－c 1 －c－aa 3 －O 2
B.
Cytb－c－c 1 －aa 3 －O 2
C.
Cytb－c 1 －aa 3 －c－O 2
D.
Cytc 1 －c－b－aa 3 －O 2
E.
Cytb－c 1 －b－aa 3 －O 2
【简答题】因纳税人、扣缴义务人计算错误等失误，未缴或者少缴的税款，税务机关在3年内可以追征税款、滞纳金。有特殊情况的，追征期可以延长到（ ）
【单选题】细胞色素在电子传递链中的排列顺序是
A.
Cytb —c1—c—aa3—O 2
B.
Cytb —c—c1—aa3—O 2
C.
Cytb —c1—aa3—c—O 2
D.
Cytc1 —c—b—aa3—O 2
【单选题】Coffee is one of the most popular drinks throughout the world today. In fact, according to some estimates, over 30% of all adults in the world drink coffee at least once a day on the average. Coffee c...
A.
strengthen one's heart
B.
make one's bones strong
C.
make one more active or alert
D.
ease the pain on the body
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