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【单选题】
Why does the author say that the work of teaching grammar should be handled delicately?A.
Because grammar is boring to most of the young students.
B.
Because grammar is too difficult.
C.
Because his son doesn't like him.
D.
Because no one likes grammar.
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【单选题】由稳压管组成的稳压电路如图所示，已知Vi=18V，稳压管DZ1的稳压值为7V，稳压管DZ2的稳压值为6V，稳压管具有理想特性，则输出Vo为（）【图片】
A.
13V
B.
1V
C.
6V
D.
7V
【单选题】Which of the following statements is true?
A.
Christmas is the season for common people to earn money.
B.
Most Chinese people think they have something to do with Christmas.
C.
Christmas is the season people will hold their hard-earned money tightly.
D.
Few Chinese people feel they are connected with the Christmas celebration.
【简答题】In America and around the world, Christmas offers many opportunities to spread 'peace on earth, good will toward men'. For example, Salvation Army bell ringers are a familiar sight to most Christmas s...
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