问题 问答题 简答题

薄膜式压力敏感元件的性能如何,为什么?

答案

参考答案:

(1)在一定的压差范围内,灵敏性较好,超出这个范围,灵敏性变差。

(2)若外界干扰使薄膜发生偏离,弹簧力便迫使薄膜回到平衡位置。元件的稳定性好。

(3)在同一个输入量下,可以得到不同的输出量,所以准确性差。

完形填空

Mike makes wonderful cakes for special occasions. You’ll be      36     by what he can do! Mike has been making cakes since he left high school. After working as a chef all around the US, he started his own      37     in 1995. Now his cake are      38     as far away as England and France.

It’s easy to see why Mike’s cakes      39    . They are all personal, and look more like works of art than food.

     40     someone asks Mike to make a cake, he works with him to find the perfect design. Once, some office workers wanted a good      41     for their boss’s 50th birthday. They told Mike that their boss loved noodles. Can you imagine a cake that looks like a packet of noodles? That’s exactly what Mike did, and      42     thought it was funny as well as tasty.

Mike lets people visit his company, and says that speaking to others helps him think of new designs. Recently, he made a cake that looked just like a car and      43     it next to a real one. Guests at that party had to choose their desserts carefully.

Mike is very busy at Christmas, as many people want special presents for their friends and families. But who knows, he      44     even make a cake shaped as an airplane that can

     45     on your doorstep in China!

小题1:A. surprised               B. pleased                     C. worried

小题2:A. organization                  B. restaurant                 C. company

小题3:A. magic                           B. famous                     C. delicious

小题4:A. sell out                         B. hand out                   C. stand out

小题5:A. Wherever                     B. Whatever                 C. Whenever

小题6:A. strategy                        B. joke                         C. donation

小题7:A. someone                B. anyone                     C. everyone

小题8:A. drove                           B. put                          C. sold

小题9:A. should                          B. would                      C. might

小题10:A. land                      B. fly                           C. drop

单项选择题