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1、 2022年职称英语理工类完形填空练习(2)Many people have the impression that as production increases， costs per unit decrease. _7_ mass production has made this true in certain industries and at certain levels of production， _8_ logic and practical experience have shown that costs per unit begin to rise beyond a cert
2、ain level of production. Some economists _9_ this principle as the law of increasing costs.The reason _10_ rise as production goes up is complex. However， it is easy to recognize that as production goes up， the need for additional factors of production will also grow， resulting _11_ competitive bidd
3、ing in the marketplace for the factors of production. If a producer needs _12_ skilled labor to produce more， and none of this labor is unemployed， the producer will have to get _13_ from other sources. This can be done by _14_ higher wages. Higher bidding would also apply to the other factors of pr
4、oduction. We must also recognize that not all labor is equally productive， _15_ not all land is equally fertile and not all ore is equally rich in the mineral wanted.1. A） to B） at C） of D） on2. A） below B） beneath C） over D） above3. A） to consider B） into consideration C） to consideration D） in con
5、sideration4. A） he believes will be B） what he believes be C） what he believes will be D） he believes to be5. A） afford to B） be affordable C） be afforded to D） have afforded6. A） constantly aware B） constantly knowledgeable of C） be constantly aware of D） constantly aware of7. A） Because B） Since C
6、） When D） While8. A） both B） as well as C） also D） but9. A） refer B） refer to C） call D） are referred to10. A） cost B） the cost C） the costs D） costs11. A） from B） in C） D） for12. A） less B） numerous C） more D） many13. A） them B） these C） it D） those14. A） offering B） cutting C） reducing D） having15. A） as just B） just as C） because D） whileKEYS： CABCA CDABD BCCAB
