问答题 Scientist are often accused of being poor communicators, yet there are many reasons what scientists, in particular, should be and often are good communicators. After all, 【M1】________science calls for enthusiasm and scientists often possess this engage quality in large 【M2】________quantities. Enthusiasm can be infectious, but to command interest of readers, 【M3】________scientists must develop their other innately talents: clarity, observation and knowledge. 【M4】________ Those scientists who are logical thinker can usually write clearly, and the more clearly 【M5】________thoughts are put cross, the greater their potential value. In the same way, those who 【M6】________observe must take an account of subtle differences for the observations they may document 【M7】________as significant. Finally, those who write must have something of intrinsic value to say. 【M8】________ A scientist whose work never sees the light of day has achieved everything of worth 【M9】________until somebody else hears about it. It is essential, therefore, for scientists to lie to rest 【M10】________the myth that they cannot communicate, once and for all.《问题》：【M4】