D) dispatched纠错 2 Small farms and the lack of modern technology have ______ agricultural production.
D) hampered纠错 3 The Japanese scientists have found that scents ______ efficiency and reduce stress among office workers.
D) magnify纠错 4 All the students have to ______to the rules and regulations of the school.
D) conform纠错 5 He ______ his head, wondering how to solve the problem.
D) scratched纠错 6 As soon as the boy was able to earn his own living he ______ his parents' strict rules.
D) vetoed纠错 7 The helicopter _____ a light plane and both pilots were killed.
A) coincided with
B) stumbled on
C) tumbled to
D) collided with纠错 8 To ______ is to save and protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment.
D) contrive纠错 9 Put on dark glasses or the sun will ______ you and you won' t be able to see.
D) dazzle纠错 10 In ______ times human beings did not travel for pleasure but to find a more favourable climate.