皮皮学，免费搜题
登录
搜题
【单选题】
关于哺乳期避孕，正确的是A.
不需避孕
B.
应采用避孕药物
C.
最好使用工具避孕
D.
使用埋植避孕剂
E.
剖宫产术后3个月放置IUD
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】? Do you know the most ancient city in China ─ Xi’an well? ? No, this is the first time I ___________ here.
A.
came
B.
have come
C.
am coming
D.
come
【简答题】何谓可阻遏操纵子(repressible operon)与衰减子(attenuator)原核生物的氨基酸合成通常具有这两种调控系统，其生物学意义何在
【简答题】衰减子(attenuator)
【单选题】The a phase indicates ______.
A.
Sn rich phase
B.
Sn and Pb rich
C.
eutectic reaction
D.
Pb rich phase
【简答题】When I first learned Lisp (表处理语言), what I liked most about it was that it considered me______.
【多选题】Which of the following basic guidelines should be followed during the problem definition phase in software engineering project:
A.
Define what aspect(s) of the organization is affected (recall the functional areas of an organization).
B.
Describe (in convincing, precise language) the effects and possible causes. Show how problems may be interrelated.
C.
Describe the worker attitude to the problem.
D.
Cite the impact the problem has on productivity and revenue.
E.
Identify the operating constraints.
【单选题】One phase of the business cycle is the expansion phase. This phase is a two-fold one, including recovery and prosperity. During the recovery period there is ever-growing expansion of existing faciliti...
A.
cyclical industries
B.
the status of the farmer
C.
the higher cost of living
D.
the recession period
【简答题】衰减子(Attenuator)
【简答题】阅读理解。 Dear Sir or Madam, When I first came to Shenzhen, the first thing that surprised me most was the newspaper. We can see people reading newspapers everywhere, on the bus or on the street. Newspape...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
