课时作业24（必修4，module 6） ⅰ．完成句子 1．他声称发现了一颗新行星。 he ______ to have discovered a new planet. 2．你能使你的思想适应新的生活方式吗？ can you ______ your way of thinking ______ the new lifestyle? 3．那些不能适应环境变化的物种可能会灭绝。 those species inadaptable to changing conditions may ______ ______. 4．他似乎想不出恰当的字眼来阐明自己的观点。 he seemed unable to think of some suitable words to ______ ______ ______ his opinion. 5．一家公司因经营管理不善而破产。 a company goes bankrupt ______ ______ poor management. ⅱ．单项填空 1．can you tell me how long dinosaurs ______ on the earth before they ______？ a．had existed；disappeared b．had existed；were disappeared c．have existed；disappeared d．have existed；were disappeared 2．（2012四川成都外国语学校月考，8）some people claim ______ the rumor that some egyptians are planning a 100,000 people antigovernment p
