若已建类似项目的规模和拟建项目的规模相差不大，生产规模比值在

【名词&注释】

摩擦力(friction)、生产规模(production scale)、动词不定式(infinitive)、不定式to、接近于(close to)

[单选题]若已建类似项目的规模和拟建项目的规模相差不大，生产规模比值在05～2之间，则指数n的取值为（ ）。

A. 06～07之间
B. 07～08之间
C. 08～09之间
D. 接近于^{(close to)}1

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举一反三：

[单选题]12．

A. four
B. six
C. five
D. two

[单选题]质量相同的下列四种物质，完全分解后制得氧气质量最多的是（      ）

A. H2O2
B. KMnO4
C. K
D. ClO3
E. H2O

[单选题]体重为490N的某同学用双手握住竖直的木杆匀速上攀，他所受的摩擦力

A. 等于490N，方向竖直向下
B. 等于490N，方向竖直向上
C. 大于490N，方向竖直向下
D. 小于490N，方向竖直向上

[单选题]Many boys like _______ because it

A. play soccer
B. playing soccer
C. play the soccer
D. playing the soccer

[单选题]43．

A. shorter
B. longer
C. earlier
D. later

[单选题]BIt was snowing very hard for days． Jigs and Reels had nothing to eat for a day． They knew that things weren't right at home，so yesterday morning they wanted to go out． Bob put them out through a window． Because the snow was so thick outside that he couldn't open the door．

A. "Dead， Bob said to himself． "They are only five months old． This weather will kill them． Just then Bob heard them calling him． He looked out and could not believe’they were drawing(拖) a big hare(野兔) through the snow． They threw it through the window into Bob’s hands． Hare for dinner! '
B. Who were Jigs and Reels in this story?
C. They were Bob's children
D. They were dogs．
E. They were hares．
F. They were toys．

[单选题]6．

A. what
B. how
C. why
D. where

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