总第560期高一7版测试答案与解析
D1 1. combination 2. superpowers 3. series 4. struggle/fight 5. band/work 6. death 7. change 8. chosen 9. Chinese 10. arranged
D2 BDC
D3 CCD
D4 DADC
D5 1-5 ABBDA 6-10 DAABD
D2:
1. B。本文主要介绍Nathan Han开发的软件，可以把引起癌症的基因变种和别的基因变种区分开来，是癌症研究的一大进展，并不是治疗癌症的方法。
2. D。从“In fact, he got quite discouraged along the way, as he had difficulties finding a laboratory research instructor because of his young age”可知，他的最大困难是因为年纪小，没人指导他做实验。
3. C。从“But I think the main message is don’t be afraid to follow your dreams even if obstacles happen”可判断C正确。
D3:
1. C。根据“these birds differ from normal ones because they have flat breastbones and smaller wings”可以得此答案。
2. C。“They found that all flightless birds were closely related, meaning that they evolved from one same ancestor.”说明c有误。“… because it can fly … tinamous are, in fact, related to flightless birds”说明b正确。“flightless birds all came from flying ancestors; they flew to separate continents before losing their ability to fly in-dependently through evolution.：说明ad正确。所以正确答案为C。
3. D。根据倒数第二段，6千5百万年前，恐龙灭绝，其它哺乳动物还没有出现，陆地上没有什么天敌，所以这些鸟即便是不会飞也不会被吃掉，逐渐就丧失了飞的能力了。
D4:
1. D。根据第一二段可以得知，这个农夫听说寻找钻石可以挣大钱，所以就把自己的农场卖了。
2. A。根据“He asked the farmer if he knew what he’d found. When the farmer said no, that he thought it was just a piece of crystal”可以得此答案。
3. D。在倒数第三段中作者说，如果第一个农夫先花点时间做点研究，了解钻石是什么样的，然后再好好地开发自己的土地看看有没有钻石，那么他的梦想就能实现了。这时作者的口吻是遗憾的。
4. C。根据这个农夫的故事，尤其是最后两段可以得此答案。
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