针对多种敏感情境的系统脱敏处理方法包括（）。A．多种情境一并处理 B．每种情境单独处

休克的早期不宜用

A．碱性缓冲液

B．葡萄糖溶液

C．血浆代用晶

D．镇静剂

E．平衡盐溶液

Henry Ford was the first person to build cars which were cheap，strong and fast．He was able to se11 millions of models because he could produce them in large numbers at a time；that is，he made a great many cars of exactly the same kind． Ford’s father hoped that his son would become a farmer，but the young man did not like the idea and he went to Detroit（底特律）where he worked as a mechanic（机械师）．By the age of 29，in 1892，he had built his first car．However，the car made in this way，the famous “Model T” did not appear until 1908-----five years after Ford had started his great motor car factory．This car showed to be so well-known that it remained unchanged for twenty years．Since Ford’s time，this way of producing cars in large numbers has become common in industry and has reduced the price of many goods which would otherwise be very expensive．

小题1:Henry Ford was the man to built _____ cars．

A．cheap and strong

B．cheap and long

C．fast and expensive

D．strong and slow小题2:Ford was able to sell millions of cars，because_____．

A．he made many great cars

B．his cars are many

C．he made lots of cars of the same kind

D．both A and B小题3:The young man became a mechanic，_______．

A．which was his father’s will

B．which was against his own will

C．which was against his father’s will

D．which was the will of both小题4:The “Model T” was very famous_____．

A．before 1908

B．between 1982 and 1908

C．before 1892

D．after 1908小题5:Ford built his own car factory_____?

A．in 1903

B．in 1908

C．in 1913

D．in 1897

“探究加速度与力的关系”的实验装置如图。

（1）本实验中使用的电火花计时器，使用________（选填“直流”或“交流”）电源。已知电火花计时器打点的时间间隔为0.02s，每五个点取一个计数点，则相邻两计数点间的时间间隔为________s。

（2）下图为某同学在平衡摩擦力后中打出的一条纸带，为了求出小车的加速度，他量出相邻两计数点间的距离。其中打计数点2时小车的速度为__________m/s，小车的加速度a=_________m/s²。

（3）为减小实验误差，盘和砝码的质量应比小车的质量___________（选填“小”或“大”）得多。

（4）改变砂和砂桶质量，重新测出对应的加速度，多次测量后得到小车的加速度a和拉力F的数据如表（小车质量保持不变）。

①根据表中的数据在坐标图上作出a-F图像；

②由图像得到的实验结论是__________________。

制样时，如果采用四分法进行缩分，应怎样操作？

目前食品工业中有哪三类浓缩方法：膜浓缩、（）及（）。