()means the same with " yellow pages" .
A.telephone book
B.number book
C.business book
D.name list
A.telephone book
B.number book
C.business book
D.name list
As far as the greenhouse effect is concerned, the author ______.
A.shares the same view with the scientists
B.is uncertain of its occurrence
C.rejects it as being ungrounded
D.thinks that it will destroy the world soon
"Concrete" probably means ______ in the passage.
A.possible
B.impossible
C.almost the same as abstract
D.the opposite of abstract
By the phrase "held back" in Para. 1, the author means ______.
A.made to remain in the same classes
B.forced to study in the lower classes
C.drawn to their studies
D.prevented from advancing
A.杀鸡取卵
B.守株待兔
C.卸磨杀驴
D.兔死狗烹
In the third paragraph, "it will all be the same in a hundred years' time" means ______.
A.The phone has been the same thing for many years.
B.Everything will remain the same thing whether I answer the phone or not.
C.The phone will not be changed in a hundred years.
D.The phone will not be changed for many years.
The underlined word "co-occurring" in the first paragraph means"______".
A.happening at the same time of using drugs
B.caused by using drugs
C.existing
D.widespread
Jim is taller than Mary means ______.
A) Jim is as tall as Mary B) Jim is not so tall as Mary
C) Mary is not so tall as Jim D) they are of the same height
By "held back" (Line 1) the author means " ______".
A.made to remain in the same classes
B.forced to study in the lower classes
C.drawn to their studies
D.prevented from advancing
A.be changed partly
B.be replaced by a different one
C.be the same when the wound is recovered
D.become ugly
A.chickens’ quality could be maintained but with less investrnent
B.chickens’ taste could be improved but at less costs
C.chickens’ growth rate could be quickened but with less inputs
D.chickens could grow to the same weight but with less feed