第20题: [单项选择]The American professor came to realize that he had underestimated the ______ of most of the Chinese students. A. magnitude B. gradient C. potential D. firmness 参考答案:C 答案解析:[试题分析] 本题是一道词义辨析题。 [详细解答] “magnitude”含义为“大小,重要的程度”;“gradient”含义为“坡度,倾斜度”;“potential”含义为“潜力,潜能”;
第23题: [单项选择]四逆汤中,炙甘草的主要作用是() A. 减少附子毒性 B. 温补调中 C. 调和诸药 D. 补中益气 E. 缓急止痛 参考答案:B
第24题: [单项选择]What is the agreement between South Sudan and Sudan about The talks between Sudan and South Sudan A. will finish three weeks later. B. was held three weeks ago. C. will restart at the end of August. D. will last till the end of August. 参考答案:C