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【单选题】
关于阑尾炎下列哪错误的A.
发病多以青壮年居多
B.
主要表现为转移性左下腹部疼痛
C.
主要表现为转移性右下腹疼痛
D.
患者有体温升高、呕吐和血中中性粒细胞增多等症状
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举一反三
【单选题】Many young paople read the English newspaper called The 21st Century ____ improve their English.
A.
as to
B.
so that
C.
in order to
D.
in order that
【单选题】Many coaches and parents are in the habit of criticizing young athletes______.
A.
without realizing criticism may destroy their self confidence
B.
in order to make them remember life's lessons
C.
believing that criticism is beneficial for their early development
D.
so as to put more pressure on them
【多选题】“Teenager” means a person from 13 to 19 years old. Although they’re young, they have to make many important choices by themselves. Often teachers and parents cannot handle them because they don’t unde...
A.
Their teachers.
B.
Theirs parents.
C.
Their friends.
D.
Movie stars. 小题3: What does the passage mainly talk about? Everybody needs to make choices. Teenagers need to make choices by themselves. Teenagers know more about TV shows and music. Teachers and parents should help teenagers as much as possible.
【单选题】变压器主要由一次绕组、二次绕组和铁芯组成。当一次绕组加上交流电压时，铁芯中产生的（）在一次、二次绕组中感应电动势，在一次、二次绕组中每匝上感应电动势的大小是相同的，但一次、二次侧绕组的匝数不同，一次、二次侧感应电动势的大小就不同，从而实现了变压的目的，一次、二次侧感应电动势之比等于一次、二次侧匝数之比。
A.
交变磁通
B.
交变电动势
C.
交变电压
D.
交变电流
【单选题】You re______understand the real meaning of love.
A.
too young to
B.
so young as to
C.
young enough to
D.
as young as to
【简答题】变压器空载时,二次绕组( )感应电动势;二次绕组( )磁通势;变压器中的电流是由( )决定的。
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