【简答题】My brother, Henry, has an excellent job at a bank. I couldn't (1) him (2) he told me that he had decided to give it (3) . Though I tried to make him (4) his mind, I failed (5) . "You should reconsider...
【简答题】某研究性学习小组的同学在一次探究活动中,对一份纯碱样品(含有少量氯化钠)的纯度进行测定,请你参与并回答有关问题。 ⑴ 甲同学进行如下操作: ① 组装好如图仪器,并检查___________ ; ② 取6.0g试样放入锥形瓶中,加入少量蒸馏水溶解,并在其他装置中加入相应的药品; ③ 称量盛有新制澄清石灰水的装置C的质量; ④ 打开分液漏斗旋塞滴入盐酸,直到不再产生气泡为止; ⑤ 再次称量装置C 的总...
【单选题】The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by nine or even ninety years, (rather than) by nine months.