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【多选题】
按照饱和程度,脂肪酸可分为
A.
饱和脂肪酸
B.
单不饱和脂肪酸
C.
多不饱和脂肪酸
D.
长链脂肪酸
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举一反三
【单选题】The tropical year differs from which year by 20 minutes ().
A.
Astronomical year
B.
Natural year
C.
Equinoctial year
D.
Sidereal year
【简答题】what does Pasha think of city life?
【单选题】In computing the consumer price index, a base year is chosen. Which of the following statements about the base year is correct?
A.
The base year is always the first year among the years for which computations are being made.
B.
It is necessary to designate a base year only in the simplest case of two goods; in more realistic cases, it is not necessary to designate a base year.
C.
The value of the consumer price index is always 100 in the base year.
D.
The base year is always the year in which the cost of the basket was highest among the years for which computations are being made.
【单选题】下列不属于维修方式的是( )。
A.
事前维修
B.
事后维修
C.
预防性维修
D.
紧急抢修
【单选题】—______? —She is tall and thin. [     ]
A.
What’s Mrs Brown like
B.
What does Mrs Brown have
C.
What does Mrs Brown like
D.
What does Mrs Brown look like
【单选题】乐观、悲观都各有利弊。
A.
B.
【单选题】What does Pasha think of city life?
A.
impolite
B.
impersonal
C.
imperfect
D.
important
【单选题】The latest year for which figures could be obtained is______.
A.
the year the author wrote the article
B.
1977
C.
any year between 1977 and 1983
D.
1983
【单选题】下列不属于常见修正性维护操作是()
A.
表面非正常突起的修整
B.
更换或补充防腐剂
C.
补充惰性保护气体
D.
更换密封垫
【判断题】乐观、悲观都各有利弊。()
A.
正确
B.
错误
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