Scientists have made a major _____________in the treatment of cancer.
A: eakdown
B: eakthrough
C: efficiency
A: eakdown
B: eakthrough
C: efficiency
举一反三
- Scientists have made a major _____________in the treatment of cancer.
- 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
- The Japanese scientists have found that scents ________ efficiency and reduce stress among office workers.