问题
单项选择题
铆接时，当被连接两板材厚度相同时。铆钉直径等于单板厚的（）倍。
A.1.2
B.1.4
C.1.8
D.2
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
铆接时，当被连接两板材厚度相同时。铆钉直径等于单板厚的（）倍。
A.1.2
B.1.4
C.1.8
D.2
参考答案：C
用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
Germs are the reason. They live on your feet and love dark, wet 小题2: like the insides of the sweaty shoes. They eat 小题3: skin cells and oils from your feet, and get rid of waste . So what can you do? It’s 小题4: to stop the smell completely, but if you cut down on sweat, you will cut down on the bad smell. Here are some things to try. 1.Bathe your feet every day. Dipping(浸泡) your feet into a tub of water is better than just 小题5: the shower water run past them. 2.Wear cotton socks ,because they take in sweat better. Put on a fresh pair 小题6: they get wet. 3.Never wear shoes made of plastic. Plastic and other artificial(人造的)materials don’t let your feet breathe. Don’t wear the same shoes every day, because 小题7: will allow germs to build up. Let your shoes dry out for a few days before 小题8: them again. Putting 小题9: out in the sun may also help kill the germs. Remember : As long as you keep your feet 小题10: and dry, those germs will have to find lunch somewhere else. |
能尽其用，货能畅其流”——此四事者，富强之大经，治国之
大本也。……试观日本一国，与西人通商后于我，仿效西方亦后于我，其维新之政为日几何，而今日成效已大有可观…… ——孙中山《上李鸿章书》（1894年6月）
料三：“这十三年来，政治上、社会上种种黑暗腐败，比前清更甚，人民困苦，日甚一日，……俄国虽迟我革命，而已成功；我虽早六年革命，而仍失败。”——孙中山《国民党改组问题》（1924年1月）