Điền một từ thích hợp vào mỗi chỗ trống cho đoạn văn sau.The world’s oceans are so vast that they (71)____ cope with the present level of pollution. However, little is known about the long-term effects of (72)______slow poisoning. The most serious problem of modem time is (73)_____ man is destroying the earth's natural resources and transforming huge areas (74)_____ wasteland. As a result, it is becoming extremely difficult to grow enough (75)____ feed the world’s rapidly increasing population. A way of protecting all the wildlife on the earth must also be found (76)____ many species are in danger of disappearing completely (77)______ the surface of the earth. The dangers, (78)___, are not confined solely to the land and the sea.The smoke in the atmosphere, for example, is increasing so (79)____that the amount of sunlight has reduced in many cities. Man’s (80)_____ environment is being changed in a serious way.
Câu 1: _______(71)
A. can
B. could
C. would
D. must
Câu 2: ______(72)
A. so
B. such
C. too
D. very
Câu 3: ______(73)
A. which
B. to
C. that
D. the
Câu 4: _______(74)
A. out
B. into
C. by
D. at
Câu 5: _______(75)
A. at
B. with
C. by
D. to
Câu 6: _____(76)
A. same
B. as
C. like
D. to
Câu 7: _______(77)
A. in
B. by
C. to
D. from
Câu 8: _______(88)
A. however
B. whenever
C. whatever
D. wherever
Câu 9: _____(89)
A. many
B. much
C. more
D. little
Câu 10: _______(80)
A. both
B. total
C. whole
D. all
024.7300.7989
1800.6947
A.
B.
C.
D.