完形填空
Maybe you are the best of the class．But in the last few exams one or two even several students 1 higher marks than you． 2 do you think about this? Are you jealous of them? Or are you 3 them? Please think it over after reading the following passage．You will probably learn a lot．
Once a zoologist（动物学家） 4 antelopes（羚羊）which were living on both sides of a river in the Republic of South Africa．He discovered that the antelopes on the east side multiplied（繁殖） more rapidly and ran faster than 5 on the west．
The zoologist puzzled after long，deep thought about the differences，as the two groups of antelopes lived in the same environment and they 6 the same kind of grass．One year， 7 the help of the Animal Protecting Society，he caught ten antelopes on each side and exchanged them．A year later，the ten antelopes sent to the west bank multiplied 8 fourteen while only three remained of the ones sent to the east．Where were the other seven? They had been eaten by wolves．
At last the zoologist understood why the antelopes on the east were stronger．That was because on the east side there 9 living a group of wolves—their natural enemy!
Not everything is plain sailing（一帆风顺）in your life．It is your opponents（对手）that 10 you indeed．So thanks must go to your opponents，it's true!
（ ）1．A．got B．had C．have got D．has got
（ ）2．A．Where B．What C．Why D．When
（ ）3．A．grateful to B．afraid of C．pleased with D．angry with
（ ）4．A．learned B．found C．noticed D．worked on
（ ）5．A．the one B．others C．those D．any other
（ ）6．A．fed on B．feed with C．offered D．grew up
（ ）7．A．under B．for C．to D．with
（ ）8．A．to B．by C．with D．towards
（ ）9．A．were B．was C．had D．owned
（ ）10．A．is raising B．are raising C．is improving D．are improving