There have been no reports ____ of rosiglitazone–associated elevations in the aminotransferase level or hepatotoxicity.
举一反三
- The geoid surface is treated as the surface of mean sea level, which is important for measuring elevations or heights. （ ）
- Throughout the past few centuries there ______ recorded reports of space vehicles which have visited our earth from another planet. A: have been B: are C: had been D: were
- There have been UFO reports for ______. A: 15 years B: 50 years C: six decades D: four decades
- Following reports of drug-taking at a boarding-school, several senior<br/>boys have been expelled. A: limited B: compelled C: dismissed D: kept
- Typical short reports have the following sections_______.