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听力原文：W: Hi, John!
M: Oh, hello, Jenny!
W: I heard you received the top grade on all five exams last semester.
M: Only on four. I'm afraid.
What does the man think of the exam？

A. He's afraid to take exams.
B. He only took the fourth exam.
C. He didn't get the highest score on one exam.

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女性，46岁，有慢性咳嗽，咳痰史10余年，6年来活动后气短，2周来上述症状加重，并出现全身水肿，卫生院医生给了大量利尿剂，速尿(呋塞米)40mg，每日1次静注，全身水肿迅速消退，在治疗第4天出现烦躁，抽搐。查体：神志不清，桶胸，双肺散在干湿啰音，剑突下触及心脏收缩期搏动，肝触及，下肢无水肿，心电右心室肥厚。
该患者可能发生的酸碱失衡是

A. 呼酸合并代酸
B. 呼吸性酸中毒
C. 呼吸性碱中毒
D. 呼酸合并代碱

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Column A Column B
The gain minus the loss 0

A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantity are equal
D. if the relationship cannot be determined from the information given

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The 4 beads in a bag are identical except that 2 are red and 2 are blue. If 2 beads are to

A. 1/6
B. 1/4
C. 1/3
D. 1/2
E. 5/6

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肺癌增高的是

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听力原文：W: Hi, John!M: Oh, hello, Jenny!W: I heard you received the top grade on all five exams last semester.M: Only on four. I'm afraid.What does the man think of the exam？

A. He's afraid to take exams. B. He only took the fourth exam. C. He didn't get the highest score on one exam.

Column A Column BThe gain minus the loss 0

The 4 beads in a bag are identical except that 2 are red and 2 are blue. If 2 beads are to

肺癌增高的是

听力原文：W: Hi, John!
M: Oh, hello, Jenny!
W: I heard you received the top grade on all five exams last semester.
M: Only on four. I'm afraid.
What does the man think of the exam？

A. He's afraid to take exams.
B. He only took the fourth exam.
C. He didn't get the highest score on one exam.

Column A Column B
The gain minus the loss 0