问题
单项选择题
非金属垫片的耐高温、高压性能均不如金属材料，为了解决高温、高压设备的密封，设计了（）。
A、金属复合型垫片
B、金属垫片
C、石棉树脂板垫片
D、八角垫
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
非金属垫片的耐高温、高压性能均不如金属材料，为了解决高温、高压设备的密封，设计了（）。
A、金属复合型垫片
B、金属垫片
C、石棉树脂板垫片
D、八角垫
参考答案：A
完形填空（10分） Many Americans like to have their holidays(假期) in 1 countries. One day an American 2 comes to China. This is her first time to China and she wants to 3 some friends here. She meets a Chinese. This Chinese wants to talk 4 with the American. When he sees her, he comes up and says “ 5 ” , then he begins(开始) his first talk with someone 6 an English-speaking country（国家）. “How old are you?” the Chinese 7 . “I’m 8 . It’s a secret. Please don’t ask a lady(女士) about her 9 .” answers the woman. The Chinese is surprised (感到惊奇) . He doesn’t know 10 . Can you help him?
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