[单项选择]基本总线周期划分为了T1、T2、T3、T4四个状态的CPU，当它执行一个正常的存储器读总线周期时，系统规定；读命令在T2开始时产生，T4开始时结束，则访问存储器地址信号的发生应在( )状态。
A. T₄状态
B. T₃状态
C. T₂状态
D. T₁状态

[判断题]信贷管理系统贷款期限变更仅支持展期。
A.正确
B.错误

[单项选择]机体清除血氨的主要途径应排除（）。
A. 可从皮肤通过汗液排泄
B. 血氨过高时可从肺部少量呼出
C. 尿素合成
D. 肾是排泄氨的主要场所
E. 脑、肝、肾等组织利用消耗氨以合成谷氨酸和谷氨酰胺

[多选题]"线路几何尺寸检查主要检查线路的( )等线路参数。
A.轨距;
B.水平;
C.轨向;
D.三角坑;
E.高低。"

[判断题]( )低油脂成分的油脂蛋糕不宜采用面粉.油脂拌和法调制面糊。
A.正确
B.错误

[判断题]在光学分度头的光学系统中，由目镜经半五棱镜观察，即可先后看到两组度盘刻线及秒分划板刻线的影象
A.正确
B.错误

[单选题]脚手板厚度不得小于( )mm,两端必须固定在横杆上。
A.20
B.30
C.40
D.50

[判断题]开行工程列车列车配合的施工作业，在作业区域两端与其它施工作业必须保证至少有两站两区间空闲。( )
A.正确
B.错误

[单项选择]不属于易化扩散过程的是
A. 动作电位产生后离子的恢复过程
B. 兴奋时的Na⁺内流
C. 复极相的K⁺外流
D. 葡萄糖转运入红细胞内

[单选题]消防护目镜具有防尘、( )、防紫外线辐射、防高强度冲击和防高速粒子冲击的功能。
A.防火
B.防水
C.防热
D.防静电

[判断题]当遇十分危急的情况时，应急抢修的人员在有安全措施的前提下，可以先抢修设备，后完善登销记。
A.正确
B.错误

[单选题]单向可控硅导通后,要使其关断,应采取下列哪种措施( )。
A.阴阳极之间加正向电压
B.阳阴极之间加正向电压
C.减小触发极触发电压
D.减小触发极触发电流

[判断题]装卸电杆等笨重物件应采取措施，防止散堆伤人。
A.正确
B.错误

[填空题]

[单项选择]Rats that eat high levels of a natural sugar known as fructose (果糖) seem to age faster than other rats-and the same could be true for people who eat too much sweet (67) food, Israeli researchers said.
Fructose, found (68) in honey and fruit, is used widely in foods (69) from soft drinks to yogurt. But (70) its sweet taste is popular, the sugar could cause wrinkles and health problems, the researchers said. Dr. Moshe Werman and Boaz Levi of the Technion-Israel Institute of Technology (71) large amounts of fructose to laboratory rats. Writing in the Journal of Nutrition, they said the fructose-fed rats showed changes (72) the collagen (胶原质) of their skin and bones.
Collagen, a fibrous protein found in connective tissue, bone and cartilage (软骨), basically holds the body together. The (73) of collagen is what causes sagging (松弛) and deep wrinkles in older people.
The process affected,
A. mass
B. loss
C. collapse
D. eclipse

[多选题]遂行高海拔救援任务，行动中可利用高原直升机（ ）。
A.投送兵力装备
B.投送持续保障
C.投送空中中继
D.紧急转运伤员

[不定项选择题]A.《夏威夷宣言》
A.《赫尔辛基宣言》
B.《人体构造》
C.《纽伦堡法典》
D.《希波克拉底誓言》
E.1964年第十八届医学大会通过后，1975年及以后多次修改的医德文献是( )

[多选题] 在电缆的敷设路径选择后,应编制设计书。设计书由封面、( )等部分组成。
A.目录
B.说明
C.设计图纸
D.材料表。

[多选题]V型串悬挂滑车前将（ ）、（ ）、（ ）在地面连接完成。
A.绝缘子金具串
B.挂滑车专用联板
C.放线滑车
D.地线金具

[单选题]新设备送电前，配网调控值班员应接到设备运维人员对接入设备验收合格，电网侧设备处于（）状态，具备送电条件的汇报，关联配网工程的工作许可人汇报工作已终结，并接到客户管理单位对用户侧进线设备处于冷备用（断开）状态，具备送电条件的汇报，方可安排送电。
A.运行
B.热备用
C.检修
D.冷备用
E./
F./
G./
H./

[单项选择]

What did the first bicycles look like The earliest bicycles were called "running machines". The rider sat on the seat of the "machine" and pushed it with his feet, The rider ran with his feet but the wheels of the bicycle helped him to go very, fast. These bicycles went faster than a running man but they were very uncomfortable. The wheels were iron and in those days the roads had many holes and big stones.
There was another kind of old bicycle with a big wheel in the front and a small one behind. People called these bicycles "Penny Farthings". In England, many years ago, there were two coins called a penny and a farthing. The farthing was about a quarter of the size of a penny.
The big wheel had pedals. The rider sat on the seat at the top of the big wheel and pushed the pedals with his feet. "Penny Farthings" went much faster than "running machines" because of the big wheel, but were uncomfortable, too. T
A. Something on a bicycle that riders can rest their feet on.
B. A kind of boards on a wheel that can be pressed by foot.
C. Part of the running machines.
D. Levers that drives a bicycle when pressed down by foot.