【名词&注释】
多样性(diversity)、栖息地(habitat)、生产者(producer)、主要因素(main factors)、禾谷类作物(cereal crops)、答题卡(answer sheet)、空白处
[单选题]长在路边的小草一般不会引起人们的特别关注，从保护生物多样性的角度来看，它却有其存在的价值，但不包括
A. 它属于该地区生态系统中的生产者
B. 它对于生态系统中其他种群的生存有利无害
C. 它可能含有对人类有重要价值的基因
D. 它可能为某种害虫的天敌提供栖息地
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举一反三：
[单选题]The underlined word "deter" in Paragraph 3 most probably means .
A. discourage
B. remove
C. benefit
D. free
[单选题]禾谷类作物的叶包括( )等部分。
A. 叶柄、叶鞘、叶片、托叶
B. 叶柄、叶舌、叶耳、叶片
C. 叶鞘、叶舌、叶耳、叶片
D. 托叶、叶鞘、叶舌、叶耳、叶片
[多选题]第二节 情景对话(共5小题,每小题1分,满分5分) 根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项,并在答题卡(answer sheet)上将该选项涂黑.选项中有两个为多余选项Jerry: Hi , Mike. Look like you’ve got some sun .
A. Mike: I guess so. I spent the weekend on the beach.
B. Jerry: Really? That sounds exciting. __6__ ( )
C. Mike:At my friend’s house .He invited me to stay there for as long as I wanted .
D. Jerry: __7__ ( )
E. Mike: Oh, I have a paper to work on.
F. Jerry: _8__ I mean besides lying out in the sun. ( )
G. Mike: I play some volleyball . I never realized how hard it is to run on sand.
H. Jerry: _9__ Did you go swimming? ( )
I. Mike: I intended to . __10__So I just went fishing. ( )
J. Jerry: All sounds so relaxing.
K. What a pity!
L. It must be cool.
M. Where did you stay ?
N. But how did you get there ?
O. So what else did you do out there ?
P. F.But the water wasn’t warm enough
Q. G..Then why not stay there for a longer time?
[单选题]影响该地区雪线高度变化趋势的主要因素是
A. 海拔
B. 降水
C. 热量
D. 坡向
[单选题]水稻下表皮气孔器数[]1 400个／cm2，那么每平方厘米有( )。
A. 肾形保卫细胞2 800个
B. 哑铃形保卫细胞1 400个
C. 肾形保卫细胞1 400个
D. 副卫细胞2 800个
[单选题]I was born in New Orleans, Louisiana, a city name will create a picture of beautiful trees and green grass in our mind.
A. which
B. of which
C. that
D. whose
[单选题]
A. expected
B. enjoyed
C. admined
D. owned
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