第2题: [单项选择]检影距离为67cm,影动为逆动,逐渐增加度数至-2.00D时影像中和,再增加负镜时影动变为顺动,则被检眼的实际度数为() A. -0.50D B. -2.00D C. -4.00D D. -3.50D E. -5.00D 参考答案:D 答案解析:基本概念应用题。检影距离为67cm,对应的是-1.50D,加至-2.00D时影像才中和,则被检眼的实际度数为-1.50D+(-2.00)D=-3.50D。
第7题: [单项选择]A. The advantages of X-rays over thermographs. B. The advantages of scientific photography for diagnostic purposes. C. How thermograph photography was invented. D. Several new techniques for reducing pain. 参考答案:B 答案解析:[听力原文] In the near future, diagnosing in a patient’s illness may become much less painful for
第27题: [单项选择]The speaker claimed that (no other) modem nation devotes (so small) a portion of its wealth to public assistance and health (than) the United States (does). A. no other B. so small C. than D. does 参考答案:C 答案解析:than 改为 as。前面是so small...,用的是原级比较;所以后面必须与as搭配;than与比较级搭配。
第31题:[单选题]She moves from one exotic location to another. A.familiar
B.similar
C.proper
D.unusual 参考答案:D 题干意为“她在异国他乡辗转。” 句中划线词意为“异国的,奇异的”,D项unusual意为“不常见的,独特的”;例句:Some-thing unusual was about to happen.某种不寻常的事正要发生。A项意为“熟悉的”。B项意 为“类似的”。C项意为“适当的”。故选D。