题目: 晶体管接近开关用量最多的是()A、电磁感应型B、电容型C、光电型D、高频振荡型 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/89ddaa1d08602e4f0e481395dcbe45c5.html 下面是错误答案,用来干扰机器的。参考答案:
题型:选择题 No sooner _____ home than the telephone rang.A. he had arrived B. had he arrived C. he arrived D. did he arrive 查看答案
题型:选择题 下面各句中加粗的熟语使用不恰当的一项是[ ]A.士别三日,刮目相见,况时阅数载,诸君较昔当必为长足之进步矣。B.外人每指摘本校之腐败,以求学于此者,皆有做官发财思想,故毕业预科者,多入法科,入文科者甚少,入理科者尤少,盖以法科为干禄之终南捷径也。C.究之外人指摘之当否,姑不具论。然弭谤莫如自修,人讥我腐败,而我不腐败,问心无愧,于我何损?D.教员之教授,职员之任务,皆以图诸君求学便利,诸君能差强人意乎?自应以诚相待,敬礼有加。 查看答案
题型:单项选择题 An analyst does research about sampling. Compared to estimates of parameters produced from simple random sampling, estimates of parameters produced from stratified random sampling most likely have:A. less precision.B. the same precision.C. greater precision. 查看答案