(二十一) 必修5 Unit 1 Great scientists
Ⅰ.单项填空
1.(2014·龙岩四校联考)—Would you like to join us in the game?
—________,for I have something important to attend to.
A.I will B.I’d love to
C.I won’t D.I’m afraid not
2.(2014·沈阳六校联合诊断)As far as I know,Mark is a(n)________shopper who always does some careful research on the market before he buys something valuable.
A.fortunate B.generous
C.enthusiastic D.cautious
3.(2014·武汉名校调研)Finding information in today’s world is easy.The ________is how you can tell if the information you get is useful or not.
A.knowledge B.ability
C.competition D.challenge
4.(2014·云南毕业班质检)After further studying those fossils,Dubois,a Swiss scientist,announced with________that the socalled “Java Man” was merely an extinct monkey.
A.courage B.certainty
C.anxiety D.relief
5.(2014·厦门毕业班适应性考试)Graduation,in________opinion of many students,is________time to