采用（）的企业由于其市场面狭小，可以更好地了解市场和顾客，

【名词&注释】

疑问句(interrogative sentence)、相对原子质量(relative atomic mass)、化学变化(chemical change)、集中化战略(focus strategy)、燃放烟花、差别化战略(differentiated strategy)

[单选题]采用（）的企业由于其市场面狭小，可以更好地了解市场和顾客，提供更好的产品与服务。

A. 集中化战略
B. 差别化战略^{(differentiated strategy)}
C. 成本领先型战略
D. 竞争战略

举一反三：

[单选题]28． Emily is Mrs Collins'

A. brother
B. cousin
C. son
D. daughter

[单选题]Which of the following is true for both bagels and donuts?

A. They both came from Europe.
B. They are both easy to make.
C. They are both sweet.
D. People in New York make them best.

[单选题]8．I don't have ________erasers． I think Ann has ________ ．

A. any; any
B. some ;any
C. some; some
D. any; some

[单选题]16．I need a _________. I want to write something．

A. bag
B. pen
C. ruler
D. eraser

[单选题]可能用到的相对原子质量：H—1，C—12，N—14，O—16，Na—23，Mg—24，Al—27，S—32，Cl—35.5，Ca—40，Fe—56，Zn—65，Ag—1081．下列变化中属于化学变化的是

A. 榨取果汁
B. 粉碎废纸
C. 燃放烟花
D. 切割玻璃

[单选题]33_________.

A. asleep
B. sleepy
C. sleep
D. slept

[单选题]Emma, can you introduce ________ to Alice? I want to meet her.

A. him
B. his
C. me
D. my

[单选题]Fromthepassageweknowteenagershaveproblemswiththeirmindsbecauseof_________.

A. theirstudy
B. gettingonwithotherpeople
C. theirhobbies
D. AandB．

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采用（ ）的企业由于其市场面狭小，可以更好地了解市场和顾客，