题目内容
无腹筋梁斜截面的破坏形态主要有斜压破坏、剪压破坏和斜拉破坏三种，这三种破坏的性质是()。
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大偏心受压破坏形态与小偏心受压破坏形态的根本区别是()。
在一类环境下的预应力混凝土屋架、托架、屋面板、楼板等，其最大裂缝宽度wmax的限值为()。
A．forgetB．rememberC．compareD．miss
You really have to get very old before you realize you're old. I'm in my middle fifties and l don't feel【21】yet. However, sometimes I look back at my childhood and【22】things to the way life is for【23】kids, some things have certainly changed.
One area of change is【24】. Some changes have been improvements. Some changes, on the other hand, have been【25】.
When I started school, most people didn't have a television; TV was just beginning to get【26】. My father decided to go all out and buy a 16-inch black and white Motorola【27】. I still remember watching the Lone Ranger save people from the【28】guys on that awesome electronic machine. That was exciting!
Now,【29】have larger pictures in full color. The pictures are clearer and the sound is much more【30】. The new high definition sets are made to rival【31】screens.
The variety and quantity of programming has【32】greatly. There are hundreds of channels "and more shows than one person could ever watch. There are many fine entertainment and educational【33】. There's also a lot of garbage, stuff that most【34】don't want their kids exposed to. Overall, we have more choices, and that is good.
I wonder what【35】will be like when today's kids are my age.
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