题目

The nurses are trying their best to reduce the patient's fear ____ he would die of the disease.A.thatB.asC.of whichD.which 答案：【答案】A【解析】句意：护士们正尽他们所能去减轻那位病人将会死于那种疾病的恐惧心理。根据分析不难得出fear和空白后的句子he would die of the disease应该是同位关系，所以用that引导同位语从句。故A正确已知1～18号元素的离子aW3+、bX+、cY2-、dZ- 都具有相同电子层结构，下列关系正确的是        A．离子的还原性：Y2-＞Z- B．质子数：c＞b        C．氢化物的稳定性：H2Y＞HZ D．原子半径：X＜W