Scientists have made a major _____________in the treatment of cancer.
举一反三
- Scientists have made a major _____________in the treatment of cancer. A: eakdown B: eakthrough C: efficiency
- By the year 2010, scientists probably ______ an effective treatment for cancer. A: will have discovered B: are discovering C: will be discovering D: have discovered
- There have been great advances in the ______ of cancer. A: process B: treatment C: instruction D: influence
- Scientists have identified a link between diet and cancer.（ ） A: 确定 B: 识别 C: 鉴定 D: 显示
- 大错误没有犯， 小错误没有断， 因为我们没有经验。 A: Since we haven’t made any major mistakes, we have made many minor ones, because we have no experience. B: As we haven’t made any major mistakes, we have made many minor ones, because we have no experience. C: Although we haven’t made any major mistakes, we have made many minor ones, because we have no experience. D: We haven’t made any major mistakes, we have made minor ones, because we have no experience.