完形填空训练一 Space is a dangerous place, not only because of meteors(流星) but also because of rays from the sun and other stars. The atmosphere again acts 1 our protective blanket on 2 . Light gets through, and this is essential 3 plants to make the food which we 4 . Heat, 5 , makes our environments tolerable and some ultraviolet rays(紫外线的) rate the 6 . Cosmic(宇宙的) rays of various e 7 the air from outer space, but 8 quantities of radiation from the sun are screened off. 9 men leave the atmosphere they are 10 to this radiation; but their spacesuits or the walls of their spacecraft, if they are inside, do prevent a lot of radiation damage. Radiation is the greatest known danger to explorers in space . B. with C. on D. as B. sun C. earth D. space B. from C. under D. for B. live C. eat D. get B. also C. besides D. too B. space C. atmosphere D. earth B. to C. from D. through B. enormous C. various D. proper soon as B. As well as C. As much as D. As possible as B. exposed C. faced D. covered
完形填空训练二 If you were to begin a new job tomorrow, you would bring with you some basic strengths and weaknesses. ess or __1 __ in your work would depend, to __2 __ great extent, __3 __ your