Ⅰ. 语境语法填空
(Ⅰ)用所给词的适当形式填空
My chemistry teacher's first class was an 1.astonishment (astonish) to us. In the lab full of 2.equipment (equip), he filled a cup with three liquids. While we were wondering what 3.reaction (react) would occur, he dipped a finger into the 4.mixture (mix). He took it out soon and sucked one, smiling with satisfaction. Then we were asked to do as he had done. Each made a face because of the terrible taste. The truth was that the finger he sucked was not the one he had dipped into the cup! From this lesson we came to a 5.conclusion (conclude) that observing carefully is the key to learning chemistry well.
(Ⅱ)填入一个单词
Gorge works in a laboratory. I am proud 1.of him every time I think 2.of him devoting great efforts to his work. After each experiment, the first thing that he goes ahead 3.with is to open the windows to let 4.out the smelly gas which is released when chemicals react 5.with one another. Then he adds chemicals or powders 6.to the bottles that don't contain enough of them for the next experiment. After that, he puts everything 7.in_order and cleans the whole lab. Finally, he makes sure all the windows and doors are closed before he leaves.
