Unit 2 Great people
单元重点单词词组短语句型精练
(时间:60分钟,满分:100分)
一、用括号内所给单词的适当形式填空(本大题共40小题,每小题1分,共40分)
1.Several ________ (Europe) lost their way when travelling in the mountain.
2.The population ________ (increase) in the first half of last century.
3.They collected some rocks for _______ (far) research.
4.For some ________ (know) reasons, he didn’t turn up at the party last week.
5.The ______ (discover) of X-ray made it easier to check and treat patients.
6.The price ______ (fall) down, but I doubt wheth