课时作业(四) ⅰ.单项填空 1. sun yang was ______ first swimmer to win the 400 m and 1 500 m freestyle since vladimir salnikov at ______ 1980 olympics in moscow. a. a; the b. a; / c. the; the d. the; / 答案 c 解析 考查冠词。第一空,定冠词the与后面的first搭配,强调顺序,表示“第一位”;“______ 1980 olympics in moscow”特指1980年莫斯科奥运会,故第二空也用定冠词the。因此答案为c项。 2. (2013•台州模拟)the happy look on his face ______ that he had passed the final examination successfully. a. explained b. suggested