皮皮学，免费搜题
登录
搜题
【单选题】
( ) refers to the system that the import of goods need to apply for a license from the department concerned , and it is not allowed to import without the license .A.
export quota system
B.
import license system
C.
import quota system
D.
export subsidy system
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
【简答题】质量为 的物体,在水中由静止开始下沉,在下沉过程中除去受重力外还受两力.一个是浮力为 ,另一个是水的阻力为 (其中 为下沉速度,单位为 ),求 后物体下沉的距离.并求下沉的极限速度.
【简答题】什么叫搜索引擎?搜索引擎的类型有哪些?
【简答题】A．维拉帕米 B．硝苯地平 C．尼莫地平 D．吗啡 E．普萘洛尔 伴支气管哮喘的高血压患者不宜选用：
【单选题】—Hi, Mr. Smith. Which department do you work in? —I am in the Marketing Department now, but I ________ in the Sales Department before long.
A.
worked
B.
will work
C.
have worked
D.
will have worked
【单选题】After I ______ the work of the department, I was transferred to another one.
A.
learnt
B.
had learnt
C.
would learn
D.
was learning
相关题目：
参考解析：
知识点：
题目纠错 0
发布
