A、 it protects him against the harmful rays from space
B、 it provides sufficient light for plant growth
C、 it supplies the heat necessary for human survival
D、 it screens off the falling meteors
答案:A
A、 it protects him against the harmful rays from space
B、 it provides sufficient light for plant growth
C、 it supplies the heat necessary for human survival
D、 it screens off the falling meteors
答案:A
A. ideal
B. editable
C. ideate
D. edible
A. restrict
B. strict
C. stuck
D. construct
A. Status
B. Statue
C. Stature
D. State
A. in place of
B. in terms of
C. by means of
D. by way of
A. A.brain
B. B.heart
C. C.mind
A. exhausted
B. abandoned
C. injured
D. deserted
A. expense
B. exposure
C. expansion
D. expectation
A. extended
B. amounted
C. added
D. turned
A. must have got through
B. would have got through
C. would get through
D. could get through
A. maintain a regular pattern of life
B. prevent trouble that comes looking for him
C. avoid danger and inefficient labor
D. restore his bodily functions