题型：选词填空（多句） 题类：常考题 难易度：普通
人教版（新课程标准）高中英语必修2 Unit 3 Computers 同步练习2
watch over, dea1 with, in a way, with the help of, once a year, make good use of in fact, be determined to, make up |
A. communicate B. vary C. involve D. spread |
step up, due to, show up, according to, look into, make up |
come into being; according to; so that; do harm to; be employed in; long before; a number of; come after; for sure; die out |
A.essential B.potential C.concentrate D.hardship E.convenient F.obtain |
⑴(something that causes) difficult or unpleasant conditions of life, or an example of this. {#blank#}1{#/blank#}
⑵direct your attention or your efforts towards a particular activity, subject, or problem.{#blank#}2{#/blank#}
⑶possible when the necessary conditions exist.{#blank#}3{#/blank#}
⑷extremely important and necessary.{#blank#}4{#/blank#}
⑸to get something or achieve something. {#blank#}5{#/blank#}
⑹suitable for your purposes and needs and causing the least difficulty.{#blank#}6{#/blank#}
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