题目内容

承揽人将其承揽的工作部分交由第三人完成，并经定作人同意的，承揽人对第三人完成的工作部分不承担责任。 ()

A. 正确
B. 错误

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商业信用是购买方占用卖方资金而形成的借贷关系。 ()

A. 正确
B. 错误

A．The man was quite all right.B．The woman was late for coming.C．The woman asked the ma

A. The man was quite all right.
B. The woman was late for coming.
C. The woman asked the man to wait.
D. The man was annoyed by her late coming.

女性，28岁。风心病10年，心房颤动史3年，长期服用地高辛治疗，停经3个月，诊为早孕。1周来恶心，呕吐，纳差就诊。体检：心脏增大，心率70次/分，律不齐，心尖部第一心音减弱，可闻及3/6级收缩期杂音，向左腋下传导并可及舒张期杂音。胸骨左缘2～4肋间2/6级收缩期杂音，P2亢进，心电图示心房颤动(Af)、室性期前收缩(VPB)。
本例心脏瓣膜病应诊断为

A. 二尖瓣狭窄伴肺动脉高压
B. 二尖瓣狭窄兼关闭不全伴肺动脉高压
C. 二尖瓣关闭不全伴相对性二尖瓣狭窄
D. 二尖瓣窄漏伴主动脉瓣狭窄

Section A
Directions: This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.
听力原文：When is your train going to leave？
(1)

At the station.
B. Yes, it is going to.
C. To the city.
D. Immediately.