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【单选题】
各类烃热裂解的难易顺序为:正构烷烃 烷烃,环烷烃 芳烃。A.
大于 大于
B.
大于 小于
C.
小于 大于
D.
小于 小于
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举一反三
【单选题】What is the best title for this news story?
A.
Organic Food Healthy, or Just for the Wealthy?
B.
The Making of Organic Food in Britain
C.
Organic Food to Import or Not?
D.
Good Qualities of Organic Food
【单选题】—Do you like western food? —No. I think I like Chinese food ________.
A.
good
B.
better
C.
best
【多选题】下列哪些属于机体在寒冷环境中对体温的调节
A.
交感神经紧张性增高
B.
皮肤血管收缩，散热减少
C.
出现寒战
D.
提高基础代谢率，产热增加
E.
甲状腺素分泌量下降
【单选题】According to the passage, which food does Japanese think is the best?
A.
Japanese food
B.
French food
C.
American food
D.
Chinese food
【单选题】What should be the best title for this passage?
A.
Real Food and Pleasure Food.
B.
Reducing Weight.
C.
Limit Your Consumption of Pleasure Food.
D.
How to Choose Food When You Are Hungry.
【单选题】What is suggested as the best among all healthfoods?
A.
Natural food.
B.
Canned food.
C.
Vitamin added food.
D.
Organic food.
【多选题】下列哪些属于机体在寒冷环境中对体温的调节
A.
交感神经紧张性增高
B.
皮肤血管收缩,散热量减少
C.
出现寒战
D.
提高基础代谢率,增加产热量
E.
甲状腺素分泌量下降
【单选题】Which of the following could serve as the best title for the passage?
A.
Food Shortage or Abundance
B.
The Shrinking Food Market
C.
Farmers' Confusion
D.
Fight against Food Imports
【多选题】关于电场中电势能的下列说法中,正确的是
A.
在电场中电势高的地方，电荷在该点具有的电势能就 越大
B.
在电场中某处，放入电荷的电量越多，它所具有的电势能越大
C.
在正点电 荷电 场中的任一点，放入的正电荷所具有的电势能一定大于负电荷所具有的电势能
D.
在负点电荷电场中的任一 点，正电荷所具有的电势能一定小于负电荷所具有的电势能
【单选题】Which of the following would be the best title for the text?
A.
Mood Makes Food Taste Different
B.
Depressed People's Moods
C.
The Best Prescription for Depression
D.
Mood and Food Taste
相关题目：
【单选题】—Do you like western food? —No. I think I like Chinese food ________.
A.
good
B.
better
C.
best