问题
多项选择题
焊丝既要保证一定的（），又要保证具有良好的导电性能和工艺性能。
A.化学性能
B.物理性能
C.机械性能
答案
参考答案：A, C
搜题请搜索小程序“爱下问搜题”
焊丝既要保证一定的（），又要保证具有良好的导电性能和工艺性能。
A.化学性能
B.物理性能
C.机械性能
参考答案：A, C
I stepped into my  hotel room which was surrounded by a(n) 26 king-size bed, flanked（两侧有）by overstuffed armchairs. “Wow,” I thought to myself. “Nice place.”I 27 hotels. I love to enter a clean room, look out the window, or walk out in the morning 28 that each afternoon when I return, someone else will have made the bed. The 29 is that unless Alison travels with me, I never sleep well in hotels. I miss my family. Even though Linus and Camille, aged 4 and almost 2, find a way to interrupt even the 30 night’s sleep at home, still, I’d rather be with them. I’m deeply 31 by the parents who wake up too late with the realization: “My children grew up too 32 . In the busy and noisy career and life, I 33 their childhood.” A hundred years from now, nobody will remember the car you drove or the large house you lived. The world might 34 greatly however, based on your 35 on the life of a small child. Your  life will most certainly improve, if you pay attention to your important 36 , and make the choice to put her or him first. What could you do today to let your loved ones know how much they 37 to you? What will you do tomorrow? And the next day?Think of one specific 38 that you can take, and take it. Challenge yourself  to find new ways to 39 your appreciation and love on a daily basis.Room service will never kiss you goodnight! Nothing 40 family.
|
est