皮皮学，免费搜题
登录
搜题
【单选题】
《铁路无线通信维护暂行规则》规定，II型中继器在450MHz频段内，正向传输时，静噪门限电平是（）A.
-48dB
B.
-55dB
C.
-63dB
D.
-85dB
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】Baseball is one of the favorite sports in the USA. Children play baseball in sports fields or in parks. At summer picnics, there is often informal (非正式的) baseball . Boys and girls, young and old t...
【单选题】Suppose Jim and Tom can both produce baseball bats. If Jim’s opportunity cost of producing baseball bats is lower than Tom’s opportunity cost of producing baseball bats, then
A.
Tom must have an absolute advantage in the production of baseball bats.
B.
Jim must have an absolute advantage in the production of baseball bats.
C.
Tom has a comparative advantage in the production of baseball bats.
D.
Jim has a comparative advantage in the production of baseball bats.
【简答题】分析化学按分析任务分类分为()()()
【单选题】What is the difference between baseball and golf?
A.
Both are ball s.
B.
Baseball is a team sport, while golf is an individual .
C.
Baseball is more popular than golf.
D.
Baseball is more difficult than golf.
【判断题】An order bill of lading is a negotiable document. Order bills made out to consignee "or order&qAn order bill of lading is a negotiable document. Order bills made out to consignee "or order" can he tr...
A.
正确
B.
错误
【简答题】阅读理解。 Baseball is one of the favorite sports in the USA. Children play baseball in sports field or in parks. At summer picnics , there is often an informal baseball . Boys and girls, young and old...
【单选题】Tom kept quiet about the accident ________ lose his job.
A.
not in order to
B.
in order not to
C.
in order to not
D.
in not order to
相关题目：
参考解析：
知识点：
题目纠错 0
发布
