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【判断题】
将 200 名高血压患者随机分为 2 组,分别采用甲、药治疗,甲药有效率为 85% ,乙方案有效率为 70% ,因此可认为甲药疗效优于乙药。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】氧传感器的内核是 陶瓷体,内核表面是一层很薄的、可透气的铂。
A.
二氧化锆
B.
二氧化碳
C.
二氧化铅
D.
二氧化 硅
【简答题】Mary was always _____________ of her younger sister’s beauty.
【简答题】Mary was always regarded as the sheep of the family.
【单选题】Mary found that was always the best policy when she got involved in arguments with her husband.
A.
compromise
B.
negotiation
C.
recognition
D.
cooperation
【单选题】氧传感器的内核是 陶瓷体,内核表面是一层很薄的、可透气的铂。
A.
二氧化锆
B.
二氧化铅
C.
二氧化碳
【单选题】氧传感器的内核是 陶瓷体,内核表面是一层很薄的、可透气的铂。 A. B. C.
A.
二氧化锆
B.
二氧化碳
C.
二氧化铅
D.
氧化铁
【简答题】完型填空。 Mary was born in a worker's family. But she always 1 her friends that her father is very rich. They know her very well, but 2 says anything about it. Last month Miss Brown, 3 friends, asked Mary...
【简答题】Mary was always singing high praise for her role in the office, _______,of course,made her colleagues unhappy. A.who B.which C.this D.what
【单选题】氧传感器的内核是 陶瓷体,内核表面是一层很薄的、可透气的铂
A.
二氧化锆
B.
二氧化碳
C.
二氧化铅
【简答题】Fill in each of the blanks with the appropriate words from below black; blue; brown; green, red; white; yellow Mary was always regarded as the __________ sheep of the family.
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