山西省专升本英语模拟 6Ⅰ.Vocabulary & StructureDirections: There are 20 incomplete sentences in this section
For each sentence there are four choices marked A, B, C and D
Choose one answer that best completes the sentence
1、 Polar explorers have to be extremely ______ to endure the climate and other hardships of various kinds
rough B
dull C
tough D
rigid 2、 More have been learned since 1945 about chemical changes in the body than in all human history before ______ time
this B
the past D
that 3、 She was a poor woman with few ______
owner B
interest C
possessions D
wealth 4、 The committee members meet ______ every Saturday and Sunday mornings
repeatedly B
constantly C
regularly D
continually 5、 I've been playing tennis with Mary
But I was ______ by her