Chọn đáp án

----- Nội dung dịch tự động từ ảnh -----
Ichoose the bestanswer
1. Finding out a new source.....energy is the aim of many scientists.
C. with
A. from
B. for
D. of
2. The sun is our main....... .of energy.
A. source
B. force
C. resource
D. cabin
3. .. .energy is one that comes from sun.
C. Wave
A. Nuclear
B. Wind
D. Solar
.. .present, scientists are trying to find out the most suitable energy.
A. For
В. At
C. In
D. On
5. Gases from factories are extremely..
A. harmful
B. harm
C. harmlessly
D. harming
6. Do you know where this kind of energy comes... .?
A. up
B. on
C. from
D. in