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问题 单项选择题

M型超声的特点哪项是错误的()

A．单声束取样获得界面回声

B．Y轴代表界面深浅

C．X轴可另加时基扫描线

D．可用于心脏功能的测量计算

E．也可同时用于Z轴上显示的回波

答案

参考答案：E

单项选择题

听句子，缩写原文。（）

A．I am interested in your new techniques and I want to make an appointment.

B．I want to talk to our technician to see if he is interested in your new products.

C．I can ask some of our staff to give you information about our new products.

D．I hope you understand that I have to attend a meeting about our new products.
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单项选择题

下列除哪项外，均是治疗慢惊风的药物（）

A.羚羊角

B.白僵蚕

C.全蝎

D.蜈蚣

E.天麻
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