2017年上半年公共英语考试开始备考啦,为了提高大家学习的积极性,下面是yjbys网小编提供给大家关于公共英语考试pets2级完形填空试题精选,希望对大家的备考有所帮助。
阅读下面短文,从短文后各题所给的A、B、C和D.四个选项中选出能填人空白处的最佳选项,并在答题卡上将该项涂黑。
In September,in Britain,you may see a lot of birds 36 on roofs and telegraph e birds are are 37 together because,very soon,they will be flying 38 to much warmer lands,where they will find 39 small flying insects on which they 40 e are no such insects 4l in Britain during the winter,as it is 42 cold for them.
The swallows settle,fly off,swoop,and 43 they do many times,for they are making short 44 flights in order to be fit for the long joumey 45 them.
46 of these migrating birds leave Britain in the fly 47 for hundreds of miles 48 they reach the warm lands of not all the birds get there,for many of them perish in the stormy weather they meet with 49 .
In the spring of the following year they 50 the long and tiring journey back to return to the identical bam or tree in the 51 district which they had left the 52 autumn.
How do these birds find their 53 there and back over such vast distances?Nobody knows exactly 54 ,but it has something to do 55 winds and air currents.
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