皮皮学，免费搜题
登录
搜题
【单选题】
我国《城市区域环境噪声标准》规定，居住区和文教区的昼间噪声标准是（）分贝。A.
30
B.
35
C.
40
D.
50
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
【简答题】Sichuan has favorable ___1_____ resource which include seven World Heritage sites, four World Biosphere Reserves, two World Geo-parks, one China’s best tourist city and more than 4000 ____2_____, rank...
【单选题】Sichuan is a big province, which has been ____ with rich natural resources.
A.
flavored
B.
featured
C.
blended
D.
blessed
【简答题】On April 20,2013, a big and powerful earthquake attacked Ya’an, Sichuan Province. A great many buildings and houses collapsed, a lot of people were killed and even more people lost their homes in the ...
【单选题】计算机技术中,下列英文缩写和中文对照,正确的是
A.
CAD ——计算机辅助制造
B.
CAM ——计算机辅助
C.
CIMS___ 计算机集成制造系统
D.
CAI ——计算机辅助设置
【单选题】Sichuan Province has the largest compact communiy of Yi people, second largest compact community of Tibetan people and the only compact communities of ______people.
A.
Yao
B.
Qiang
C.
Dong
D.
Miao
【单选题】______ about the safety of the people in the earthquake-stricken Lushan county in Sichuan Province, Premier Li has flew there to direct the rescue mission.
A.
Concerning
B.
Concerned
C.
To be concerned
D.
Concern
相关题目：