职业卫生措施是预防职业病和改善职业卫生环境的必要措施,包括( )等措施。
A.防噪声
B.防护
C.防毒
D.防尘
E.防爆炸
参考答案:A,C,E
职业卫生措施是预防职业病和改善职业卫生环境的必要措施,包括( )等措施。
A.防噪声
B.防护
C.防毒
D.防尘
E.防爆炸
参考答案:A,C,E
完形填空。 | |||
For several years, Americans have enjoyed teleshopping-watching TV and buying things by phone. | |||
( )1.A. European ( )2.A. lights ( )3.A. fast ( )4.A. sells ( )5.A. earn ( )6.A. begin ( )7.A. people ( )8.A. paying ( )9.A. like ( )10.A. junk ( )11.A. appearing ( )12.A. in the shop ( )13.A. different from ( )14.A. number ( )15.A. touch | B. Asian B. switches B. popular B. owes B. owe B. leave B. women B. going out B. mind B. gold B. coming out B. on TV B. large than B. quality B. feel | C. American C. radios C. particular C. possesses C. pay C. open C. businessmen C. thinking C. enjoy C. imagination C. for sale C. at home C. as big as C. places C. imagine | D. African D. TVs D. clear D. makes D. spend D. turn on D. officials D. calling up D. dislike D entertainment D. to buy D. by this way D. the same with D. buyers D. produce |