As ______ announced on today's TV program, the International Fair is also open in Sundays.
A. Being
B. to be
C. is
D. been
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For Bernard Lamb, the shift from "ethnic minority" to "minority ethnic"
A. is condemned by all the classes
B. has no essential improvement at all
C. is no more than a trend of degradation or back up
D. reflects the conflict between the authority and the minorities
某进出口公司9月间在现货市场上出售小麦一批，每吨110美元，12月份交货，为了避免市场价格下跌的风险，该公司以相同价格和数量在期货市场购进12月份交割的期货合同，这种做法被称为( )。
A. 卖期保值
B. 买期保值
C. 多头
D. 空头
She was best known for the interpretation of ______.
A. I Love You Porgy
B. My Baby Just Cares for Me
C. Porgy and Vest
D. I Put A Spell On You
目前作用最强且效能高的利尿药是
A. 布美他尼
B. 氢氯噻嗪
C. 乙酰唑胺
D. 呋塞米
E. 螺内酯
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