【单选题】The speaker advises us to use the Earth's resources wisely because ______.
A.
the Earth is heavily polluted
B.
nature cannot recycle its resources
C.
there are more and more people on the Earth
D.
no more new resources can be added
【单选题】Question 20:With regard to their English, the speaker advises the students to ________________.
A.
tell their lecturers if they have problems understanding
B.
have private English lessons when they arrive
C.
practise their spoken English before they arrive
【简答题】第一单元题目学号单号的做8,9,10题,学号双号的做11,12,13,做好的截图放word里,最后提交word作业,题目和素材都在QQ群里
【单选题】能直接进行氧化脱氨基作用的氨基酸是( )。
【单选题】能直接进行氧化脱氨基作用的氨基酸是( )
【单选题】With regard to their English, the speaker advises the students to
A.
tell their lecturers if they have problems understanding
B.
have private English lessons when they arrive.
C.
practise their spoken English before they arrive.