题目内容


He is ___new comer to ___ chemistry but he has made a few important discoveries.
A．/, /B．a, /C．a, the D．the, the
B
略
练习册系列答案
相关题目

In that south American country, _____bicycle is not_______ popular means of transportation．
A．the；aB．a；不填C．a：theD．the；the

Mary said nervously that it was _______ honour to have got _______ first prize in the composition contest.
A．an, the `B．/; /C．an; aD．the; the

. She thought it __ great experience as she enjoyed the beauty of ___ nature.
A．a; /B．a; the C．the; / D．the; a
   Against ____advice from his friends, he insisted ____alone at the rush hour.
A．a; on travelingB．the; to travelC．the; on travelingD．at; to travel

China is planning for more space work after the successful launch of Shenzhou VII spaceship，including           building of          space station around 2020．
A．an；／B．an：theC．the；a D．the；the
   –What did you think of the place?
--- I didn’t care for it at ____first, but after ____ time I got to like it.
A．/; aB．the; aC．a; theD．/; the
--Have you had ________ breakfast yet?      -- No, not yet.
A．/B．aC．theD．an
Separated from his parents at_____ early age, the left-behind boy in this rural town had ____ very difficult life.
A the, ∕               B an, a                 C a, the              D∕ ,a

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网