第21题: [多项选择]MRI对显示前列腺癌是否穿破包膜的指征为() A. 肿瘤向后外侧成角 B. 病变侧前列腺外缘凸出,但边缘光整 C. 双侧神经血管丛不对称 D. 肿瘤穿破包膜进入高信号的脂肪内 E. 前列腺直肠窝内脂肪消失 参考答案:A, C, D, E
第22题: [简答题]已知表student(学号,姓名,性别,出生日期,专业) course(课程号,课程名,学时数,学分) grade(学号,课程号,成绩) 试在所有学生的课程成绩中列出课程成绩最高的学生姓名、专业、课程名和成绩。 参考答案:SELECT姓名,专业,课程名,成绩 FROM student,grade,course WHlERE成绩In(SELECT MAX(grade.成绩) FROM grade)AND student.学号=grade.学号 AND course.课程号=grade.课程号;
第31题: [单项选择]Which of the following statements is true according to what you have heard A. I will eat lunch very quickly. B. I will have lunch before the meeting. C. I will eat lunch at the meeting. D. I will eat lunch while jogging. 参考答案:A 答案解析:固定搭配。根据原文“Since I have a meeting around noon,I will eat my lunch on the run.”关键在于理解固定搭配on the run。On