[单项选择]The ice is not thick enough to bear the weigh of a tank.
A. suffer
B. accept
C. receive
D. endure

[单项选择]The ice is not thick enough to {{U}}bear{{/U}} the weight of a tank．
A. suffer
B. accept
C. receive
D. endure

[单项选择]— The water changes into thick ice covering rivers and lakes in winter in Harbin.
— ______ in Urumqi and children go skating on it then.
A. So is it
B. So it does
C. So it is
D. So does it

[单项选择]The fox asked the bear to cut a hole in the ice to ______.
A. help the bear catch more fish
B. kill the bear in the icy hole
C. stop the bear from catching any fish
D. keep the bear from knowing about the fox

[单项选择]I weigh 120 pounds and you weigh 120 pounds. We are ______ weight.
A. the same heavy
B. as heavy as
C. as heavy
D. of the same

[单项选择]

Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy in which it is (21) , the other the lack of freedom of the individual research worker. (22) any inquiry is a secret one, it naturally limits all those engaged in carrying it out (23) effective contact with their fellow scientists either in other countries or in universities, or (24) ,often err)ugh, in other departments of the same firm. The degree of secrecy naturally (25) considerably. Some of the bigger firms are (26) in researches which am (27) such general and fundamental nature that it is a positive (28) to them not to keep them secret. (29) a great many processes depending on such research am sought for with complete secrecy (30) the stage at which patents can be (31) . Even more processes am never patented (32) but kept as secret processes.
A. much as
B. for fear
C. even if
D. as though