第1题: [单项选择]I've tried several weeks, but still have some difficulty ______. A. in high jump B. to jump high C. with high jump D. with jumping high 参考答案:C 答案解析:[名师精解] have difficulty 后可跟in doing sth. 和with sth.;high jump 是名词词组,意“跳高”。
[解题秘籍] 与difficulty 搭配的介词有
第3题: [单项选择]微量清蛋白是指 A. 尿中转铁蛋白排出量在30~300mg/24h范围内 B. 尿中前清蛋白排出量在30~300mg/24h范围内 C. 尿中清蛋白排出量在30~300mg/24h范围内 D. 尿中尿酶排出量在30~300mg/24h范围内 E. 尿中α1-微球蛋白排出量在30~300mg/24h范围内 参考答案:C