题目内容
8．-3-D printing could be used to build a house in less than 24 hours．-It amazing．It's my first time to get to know this．（ ）
| A． | sounds | B． | smells | C． | tastes |
分析 在不到24小时内，3D打印能被使用建造一所房子．它听起来很神奇，这是我第一次了解这个．
解答 答案A．sounds 听起来； smells 闻起来； tastes 尝起来．由句意：在不到24小时内，3D打印能被使用建造一所房子．能推断到是听起来神奇，而不是闻起来，尝起来，故选A．
点评 考查系动词的辨析．根据系动词的语义特点，系动词可以分为以下几类：
1．状态系动词：用来表示主语状态，只有be一词．如：
He was famous as a scholar．作为一位学者他很著名．
2．持续系动词：用来表示主语继续或保持一种状况或态度，主要有keep，rest，remain，stay，lie，stand等．如：
Would you please keep silent a minute？可以请你安静一下吗？
3．表像系动词：用来表示"看起来像"这样的意思，主要有seem，appear，look等．如：
He seems to be asleep．他似乎睡着了．
4．感官系动词：用于表示感官的感受，主要有feel，smell，sound，taste等．如：
The rose smells sweet．玫瑰花香．
The cloth feels soft．这布摸上去很柔软．
5．变化系动词：用于表示主语变成什么样，主要有become，grow，turn，fall，get，go，come，run等．如：
The affair becomes serious．事态严重．
As he grows older，he grows wiser．他年纪越大越有智慧．
Leaves turn brown in autumn．叶子一到秋天就黄了．
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