单选题:Thenoisekillingsystemisnotyetpopularmainlybecause__________.

题目内容:
Thenoisekillingsystemisnotyetpopularmainlybecause__________. A.itisstillbeingtriedout
B.driversstillhavetheirdoubts
C.itincreasesthecostofcarproduction
D.carmakersarenotsureifitisnecessary
参考答案:
答案解析:

Which of the following does the author NOT express?

Which of the following does the author NOT express?A.The function of toys is to

查看答案

产生l00以内(不含l00)2位随机整数的VisualBasic表达式是

产生l00以内(不含l00)2位随机整数的VisualBasic表达式是A.ht(Rnd(1)*91)+lO B.Int(Rnd(1)*90)+lO C.Int

查看答案

7.桥梁的桥面与低水位之间的高差称为(  )。

7.桥梁的桥面与低水位之间的高差称为(  )。A.桥梁建筑高度 B.桥梁高度 C.桥梁容许建筑高度 D.桥下净空高度

查看答案

根据题目要求完成下列任务,用中文作答。作业的意义是什么?(6分)请为“How do you make a banana

根据题目要求完成下列任务,用中文作答。作业的意义是什么?(6分)请为“How do you make a banana milk shake?”这一单元设计两

查看答案

请阅读Passage 1,完成第小题。Passage 1Trees should only be pruned when

请阅读Passage 1,完成第小题。Passage 1Trees should only be pruned when there is a good a

查看答案