After the cameraman had taken three or four photographs of the soldier ants, he found they had ______ all over his feet.
A. gathered
B. flocked
C. crowded
D. swarmed
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Meeting foreign language requirements for the Ph. D. ______.
A. is the most frequent reason for dropping out
B. is more difficult for the science candidate than for the humanities candidate
C. is an essential part of many Ph.
D. programsD. does not vary in difficulty among universities.
Why did the woman decide to enroll in the distance-learning course
A. It's a requirement for psychology majors.
B. She wasn't able to get into the traditional course.
C. She lives far from the university.
D. She has to work a lot of hours this semester.
省级（）负责组织指导全省会计从业资格管理工作。
A. 审计部门
B. 财政部门
C. 税务部门
D. 人事部门
时行感冒的特征是( )
A. 卫表不固
B. 肺失清肃
C. 卫表失和
D. 易于流行
E. 肺气失宣
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