| 托福考试易错题（2018/6/27） |
| 第1题： The word "heightened" in line 18 is closest in meaning to A．( complicated B．( directed C．( observed D．( increased |
| 【单选题】： |
| 第2题： Which of the following phrases is defined in paragraph 1 A．("appreciable period"(line 1) B．("photographic emulsion"(line 3) C．("high-speed movement"(line 5) D．("odd poses"(line 11) |
| 【单选题】： |
| 第3题： The word "finding" in line 20 is closest in meaning to A．( published information B．( research method C．( ongoing experiment D．( scientific discovery |
| 【单选题】： |
| 第4题： Surface tension is the property ------the surface of a liquid to behave as if it were covered with a weak elastic skin.
A．of which causes B．that causes C．that it causes D．causes |
| 【多选题】： |
| 第5题： Drinking water ________ excessive amounts of fluorides may leave a stained or mottled effect on the enamel of teeth.
A．containing B．in which containing C．contains D．that contain |
| 【单选题】： |