题目内容

Questions 23 to 25 are based on the passage you have just heard.

A. Frightened victims can rarely make correct identification.
B. Many factors influence the accuracy of witness testimony.
C. Eyewitnesses are often misled by the lawyer"s questions.
D. The US judicial system has much room for improvement.

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Questions 9 to 11 are based on the conversation you have just heard.

A. Press the right-hand lever first.
B. Produce the appropriate sound.
C. Raise their heads above the water.
D. Swim straight into the same tank.

Questions 20 to 22 are based on the passage you have just heard.

A. It comes regularly from its donors.
B. It has been drastically cut by NASA.
C. It has been increased over the years.
D. It is still far from being sufficient.

以下对颈部及脑血管描述不正确的是

A. 脑部血液供应由双侧颈动脉和椎动脉
B. 左颈总动脉起始于无名动脉
C. 右颈总动脉起始于无名动脉
D. 左颈总动脉起始于主动脉弓
E. 颈内动脉分出眼动脉、前脉络动脉及大脑中动脉

有关正常肾脏超声图像的叙述,以下不正确的是

A. 肝脏和脾脏的回声高于肾实质回声
B. 青少年和婴儿的肾锥体回声更低,可近似无回声
C. 肾皮质和肾锥体之间有时可见短线状或点状高回声代表肾叶间动脉
D. 在膀胱高度充盈状态下,肾盂的无回声区可宽达1~2cm
E. 肾窦呈高回声,与腹膜后大血管周围的脂肪组织回声一致

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