皮皮学，免费搜题
登录
搜题
【单选题】
关系数据库的规范化理论主要解决的问题是 。A.
、如何构造合适的数据逻辑结构
B.
、如何构造合适的数据物理结构
C.
、如何构造合适的应用程序界面
D.
、如何控制不同用户的数据操作权限
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The efforts made by researchers __________ possible the cure of the novel coronavirus pneumonia.
A.
were made
B.
made
C.
made it
D.
were made it
【单选题】What’s the Novel Coronavirus Pneumonia?
A.
It’s a crown for the queen.
B.
It’s an epidemic disease.
C.
It’s a kind of toy.
D.
It’s a rotten food.
【单选题】China has adopted an open, transparent and responsible manner since the novel coronavirus pneumonia broke out, he said. Which of the following sentences has the same meaning of the word novel.
A.
This novel has been made into a film.
B.
Materials that undergo large elastic deformations can exhibit novel instabilities.
C.
This adaptation perfectly captures the spirit of Kurt Vonnegut's novel.
D.
The latter encodes a novel protein kinase with LIM domains and is strongly expressed in the brain.
【单选题】What are the symptoms of the novel coronavirus pneumonia?
A.
Throw up, vomit
B.
Fever, cough, short of breath
【单选题】What was your experience of buying masks during the novel coronavirus pneumonia epidemic?
A.
I was very happy to buy a lot of masks at a low price.
B.
The price is too expensive to buy.
C.
There are no masks on the market.
D.
Buying masks is like winning the lottery.
【简答题】the novel coronavirus pneumonia中文意思是?pneumonia单词中字母p发音吗?
【简答题】翻译成汉语control the novel coronavirus pneumonia epidemic,
相关题目：