16) There are other indications that high school cheating may be on the rise (还有一些迹象表明……)
17) There is some evidence that dishonesty may ebb and flow(起伏波动)
18) Today there is evidence that the time between each of the steps in this cycle has been shortened.
19) There can be on doubt that he is the right person for the job.
20) There is no doubt that their support will make a difference in out cause .
21) There is no doubt that these measures will contribute to the solution of the problem.
22) There is no doubt that Jim had more talent than anybody who ever played football.
23) There’s no substitute(替代物) for practical experience.