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问题 单项选择题

如果按字长来划分，微机可以分为8位机、16位机、32位机和64位机。所谓32位机是指该计算机所用的CPU( )。

A．同时能处理32位二进制数

B．具有32位的寄存器

C．只能处理32位二进制进制定点数

D．有32个寄存器

答案

参考答案：A

完形填空

SECTION C

Directions: Bilingual Translation (10分)

Many people wonder if our senses have anything to do with our overall health. Scientists say that if 61. making the most of our senses when we are young can keep us healthy later on in life.

One reason why we became stressed and have high blood pressure is that we misuse our senses in our everyday life. One study says that 62. about 90% of our time is spent watching television or using computers.  He adds that although our sense of sight is overused, our senses of touch and smell have been ignored,

People often ask whether or not we should develop all our senses. The answer is yes. Scientists suggest that we do the following things more often 63. While having dinner, listen to some enjoyable music rather than watch TV. While relaxing at home, have some flowers next to you that smell nice. 64.上床睡觉之前把灯光调小些。 While sleeping, wear a nightshirt that is pleasant to touch --- it will make us sleep deeply.

Whether we sleep well is important because good sleep gives us the chance to dream --- 65.梦想使我们保持年轻和健康。
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单项选择题

患者女性，有风湿性关节炎病史，心脏听诊主动脉瓣区有舒张期杂音，X线胸片示左心室扩大，心电图示左心室高电压，超声诊断为主动脉瓣关闭不全。彩色多普勒血流应显示为（）

A.左心室在收缩期有血流射入右心室

B.舒张期有血流从主动脉瓣流向左心室

C.收缩期有血流从右心房流入右心室

D.左心室在收缩期无血流射入主动脉

E.收缩期有血流从左房流入左室
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