1972年,Singer和Nicolson提出了生物膜的()
第1题:
A.about
B.at
C.on
D.to
第2题:
(1) A pop singer has to spend a lot of money ().
A.for his training to
B.to be unusual
C.to help the poor gain popularity
D.from the public
(2)The life of a successful pop singer is ().
A.full of trouble
B.always relaxed
C.far from easy
D.with no freedom
(3)It may be suggested from the passage that ().
A.a pop singer is afraid of meeting his fans
B.a pop singer owes a lot to his fans for his success
C.pop singers are luckier than other singers
D.a pop singer makes a lot of money
(4) The passage is mainly about ().
A.how to become a pop singer Pop
B.singers and their fans
C.life of a pop singer
D.Worries of a pop singer
(5) A pop singer has to keep working very hard if he wants to ().
A.win over the younger singers
B.stay popular
C.keep up with the public
D.sell more records
答案:BCBCB
第3题:
A、bow
B、leap
C、lead
D、lift
第4题:
生物膜法处理废水时,对有机物进行氧化分解,产生的无机盐和二氧化碳由()排入水中。
第5题:
He is more an artist than a singer.(改为同义句)
He is an artist_________ _________a singer.
第6题:
The singer and ________ has arrived already.
A、 dancer
B、a dancer
C、the dancer
D、dancers
第7题:
有歌手表Singer(编号,姓名,性别,年龄,音乐类型1,音乐类型2),现要求把表中“音乐类型2”列删除,正确的SQL命令是( )。
A. ALTER TABLE Singer DELETE音乐类型2
B. DELETE音乐类型2 FROM Singer
C. ALTER TABLE Singer DELETE COLUMN音乐类型2
D. ALTER TABLE Singer DROP COLUMN音乐类型2
第8题:
The speaker is probably .
A.a host B.a singer C.a dancer D.a teacher
第9题:
第10题:
关于细胞生物膜系统的叙述,正确的是()