问题
选择题
Science and technology are developing ______ quickly that some new electronic products are out-of-date within several months.
A.very
B.so
C.such
D.too
答案
答案:B
题目分析:考察固定句式。固定句式so…that…如此…以至于…;so后面要接形容词或者副词。Sucn…that…中的such后面要接名词,或者名词短语;AC两项后面不能接that从句。句意:科技进步得如此之快,以至于一些新的电子产品几个月就过时了。故B正确。
点评:常用的结构一定要掌握。拓展:和“that”连用时,so与such意思基本一样,但句型结构不同。“so…that…”句型结构为:so + adj. (adv.) +that…;so + adj. +a(an)+单数n. +that…;so +many(few)+复数n. +that…;so +much(little)+不可数n. +that…;“such…that…”句型结构为:such + a (an)+adj. +单数n. +that…;such + adj. +复数n. +that…;such +adj. +不可数n. +that…