《中华人民共和国森林法》规定,禁止在()和特种用途林内砍柴、放牧。
A.防护林
B.经济林
C.护岸林
D.幼林地
参考答案:D
小题1:The name of the website is ________.
A.Home
B.Learning English
C.Listening
D.Englishclub.com小题2:The website is useful not only in learning English but also in ________.
A.teaching English
B.finding work
C.travel guiding
D.home setting小题3:The webpage does NOT provide ________.
A.free lessons
B.an advertisement
C.a chat room
D.a questionnaire
CO2应有四种基本振动形式,则它的红外光谱图应有()个峰。
A.1
B.2
C.3
D.4