皮皮学，免费搜题
登录
搜题
【单选题】
(2012年)在关税税则中。预先按产品的价格高低分档制定若干不同的税率，根据进出口商品价格的变动而增减进出口税率的关税是( )。A.
选择税
B.
滑动税
C.
复合税
D.
差税
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Heat damage to fuel injection nozzles can be prevented by avoiding ____.
A.
excessive fuel oil temperature
B.
long periods of engine overload
C.
metallic contact between nozzles and cylinder heads
D.
hard carbon deposit and varnish on the nozzles
【单选题】Beethoven knew that he was going deaf ________.
A.
when he could not hear himself humming a tune
B.
when he heard a humming noise
C.
when the humming noise grew louder
D.
when the doctor told him
【单选题】One of the trainees is ________complaining that she has to put in an excessive amount of overtime to finish the paperwork.
A.
yet
B.
ever
C.
since
D.
still
【单选题】对于语句:int *pa[5];的描述中,____是正确的。
A.
pa是一个指向数组的指针，所指向的数组是5个int型元素；
B.
pa是一个指向某数组中第5个元素的指针，该元素是int型变量；
C.
pa[5]表示某个元素的第5个元素的值；
D.
pa是一个具有5个元素的指针数组，每个元素是一个int型指针。
【单选题】Excessive vibration in an operating diesel generator may be caused by _____.
A.
electrical overload
B.
surging at governed RPM
C.
loose engine mounting bolts
D.
coolant leaking into the cylinder
相关题目：
参考解析：
知识点：
题目纠错 0
发布
