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【判断题】
维生素C在含油脂食品中,可作抗氧化剂的增效剂,以防止油脂酸败。A.
正确
B.
错误
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举一反三
【单选题】According to the passage, who will NOT eat together?
A.
The English.
B.
Americans on their first date.
C.
Men and women in Near Eastern societies.
D.
Newly-weds on the island of New Ireland.
【简答题】指出图中轴系的结构错误,并改正。
【单选题】以下关于break语句和continue语句说法错误的是（ ）
A.
continue 语句只结束本次循环，而不是终止整个循环。
B.
break 语句是结束整个循环过程，不再判断执行循环的条件是否成立。
C.
continue 只能在循环语句中使用
D.
break语句只能在循环语句中使用
【单选题】_____ the rain stops, we' 11 set off for the station.
A.
Before
B.
Unless
C.
As soon as
D.
Though
【简答题】According to the factor price equalization theorem, if A is labor abundant, then once trade opensA. wages and rents should fall in A. B. wages and rents should rise in A. C. wages should rise and rent...
【单选题】We won’t go back home ___ the rain stops. We now have to stay in the classroom.
A.
when
B.
until
C.
before
D.
and
【简答题】以下语句中存在语法错误的是（ ）。
【单选题】According to the time table, the train for Beijing ____ at 9:10 P.m.from Monday to Friday.
A.
was leaving
B.
is leaving
C.
leaves
D.
has left
【简答题】指出图中轴系的结构错误,并改正。
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