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【判断题】
高分子是指由许多相同的、简单的结构单元通过分子键重复连接而成的化合物A.
正确
B.
错误
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举一反三
【单选题】If you want to know the flavor of this meal , you can say
A.
Zhèɡe cài shì shénme wèidɑo de？ 这个 菜 是 什么 味道 的？
B.
Zhèɡe cài shì wèidɑo shénme ？ 这个 菜 是 味道 什么？
C.
Zhèɡe cài shì shénme de wèidɑo？ 这个 菜 是 什么 的 味道？
【简答题】_______是对错误进行定位、分析并找出原因改正错误的一个过程。
【单选题】Most mothers have a good piece of advice: Never go into a supermarket hungry! If you go shopping for food before lunchtime, you'll probably buy more than you plan to. Unfortunately, however, just this...
A.
suggest consumers to buy generic items instead of fatuous brands
B.
give some pieces of advice to consumers
C.
convince readers that the advice of most mothers isn't enough for consumers these days
D.
persuade consumers not to believe the advertisements
【简答题】Learning the language of a country isn't enough. If you want to know the manners of your foreign friends, you will probably be surprised just how different they can be from yours. A visitor to India s...
【简答题】Try reading the following sentences as fast as you can. “She sells seashells by the seashore. The shells she sells are surely seashells. So if she sells shells on the seashore, I’m sure she sells seas...
【简答题】因式分解 （1）3ax+6ay （2）25m 2 ﹣4n 2 （3）3a 2 +a﹣10 （4）ax 2 +2a 2 x+a 3 （5）x 3 +8y 3 （6）b 2 +c 2 ﹣2bc﹣a 2 （7）（a 2 ﹣4ab+4b 2 ）﹣（2a﹣4b）+1 （8）（x 2 ﹣x）（x 2 ﹣x﹣8）+12．
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