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【单选题】
关于GLC并联电路的描述,下面错误的有( )。
A.
其等效复导纳Y=G+jB
B.
其等效电纳
C.
复导纳的模
D.
复导纳的幅角就是端电流超前电压的相位角。
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【简答题】乐音的性质有哪些因素有关联?
【单选题】— Nobody and nothing ______make my uncle smile or laugh. — I'm sure I______ make him laugh.
A.
is able to, will can
B.
was able to, can be able to
C.
is able to, can
【简答题】I like him because he makes me__________ A.to laugh B. laughed C. laugh D. laughing
【判断题】食源性寄生虫病是指生吃或半生吃被寄生虫污染的食物引起的一类寄生虫病。()
A.
正确
B.
错误
【单选题】He is very serious.  No one can make him _____. [     ]
A.
laugh
B.
laughs
C.
to laugh
D.
laughing
【单选题】My funny jokes made him ________ [     ]
A.
laugh
B.
to laugh
C.
laughing
D.
laughed
【单选题】Mr Li often makes us _____ in his class, so we all like him. [     ]
A.
laugh
B.
to laugh
C.
laughing
D.
laughed
【判断题】食源性寄生虫:通过食品感染人体的寄生虫称为食源性寄生虫。包括:原虫、节肢动物、吸虫、绦虫、线虫。
A.
正确
B.
错误
【单选题】His brother told many jokes to____him up.
A.
cheer
B.
blow
C.
break
D.
laugh
【单选题】Tom is sad. Everyone is trying to ______. [     ]
A.
cheer up him
B.
laugh at him
C.
cheer him up
D.
set him up
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