一、Write the key words or phrases from memory(默写重点单词与词组)10分
1.火焰_________　                   2.实验_________
3.发动机_________                   4.经济_________
5.安慰,舒适_________               6.操行,引导_________
7.充电_________                     8.震动_________
9.证明,证实_________                10.手帕_________
11.锋利的_________                  12.扎牢,拴紧_________
13.丝带 _________                   14.解释,说明_________
15.洗发精_________                  16.药物_________
17.怀疑_________                    18.残酷的_________
19.轮子 _________                   20.结论_________