新编基础训练八年级英语外研版
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【情境应用】1. It's ______ (possible) to reach the top of the mountain in such bad weather.
答案：impossible
解析：根据语境“在如此糟糕的天气里到达山顶”，结合“impossible”表示“不可能的”，此处应填possible的否定形式impossible。
【情境应用】2. The heavy snow made it ______ (impossible) for me to make a big snowman.
答案：possible
解析：“大雪”通常会为堆雪人提供条件，结合“impossible”的反义词是“possible（可能的）”，此处应填possible。
【情境应用】3. In summer, many people come to visit our town. You can find it's ______ (impossible) crowded.
答案：possible
解析：“夏天很多人来参观”，由此可推断小镇“可能”会拥挤，“impossible”的反义词是“possible（可能的）”，故填possible。
【情境应用】( )1. She's ______ actress. And she's ______ famous actress. A. a;a B. an;an C. an;a D. a;an
答案：C
解析：actress是以元音音素/ˈæktrəs/开头的单词，其前用不定冠词an；famous是以辅音音素/ˈfeɪməs/开头的单词，其前用不定冠词a。故选C。
【情境应用】( )2. He's a famous ______. And he has played in several movies. A. actor B. actress C. action D. acting 3.她们是我祖母最喜欢的女演员。They are my grandmother's favourite ____.
答案：2.A 3.actress
