选修8 课后能力测评一 ⅰ. 完形填空阅读下面短文,掌握其大意,然后从1~20各题所给的四个选项a、b、c和d中,选出最佳选项。字数:293 完成时间:15分钟 难度:★★ the basic meaning of“pet”is an animal we keep for emotional 情感的 rather than economic reasons. a pet animal is __1__ as a companion, and we all need companions to keep as feeling happy.__2__ pets offer more than mereonly companionship: they invite us to love and be loved. many __3__ feel their pets understand them, for animals are __4__ to sense anger and sorrow. often a cat or dog can comfort us __5__ when human words don"t help. we feel loved, too, by the way pets __6__ us for a home, for food and drink. dogs __7__, look up to their owners,