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古典主义时期三杰是
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下面的短文有 10处空白，短文后列出 12个词，其中 10个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。Life Is DifficultWhat makes life difficult is that the process of facing and solving problems is a painful one. Problems cause ___1___ , anger, fear or despair. These are ___2___ feelings, often as painful as any kind of physical pain. And since life ___3___ an endless series of problems, it is ___4___ difficult and is full of pain as well as joy.Yes it is in this process of ___5___ and solving problem that life has its meaning. Problem call forth our___6___ and our wisdom. It is only because of problem that we grow ___7___ and spiritually. When we want to encourage the ___8___ of the human spirit, we encourage the human capacity to solve problems, just as in school we deliberately ___9___ problems for our children to solve. It is through the pain of confronting and resolving that we learn. It is for this reason that ___10___ people learn not to fear but actually to welcome problems and actually to welcome the pain of problems.A. meeting B. courage C. careful D. growth E. wiseF. takeG. sadnessH. setI. posesJ. always K. uncomfortableL. mentally
框架梁的截面高度h一般可按梁跨度的( )来取值。
在框架结构中,对框架梁宽度的要求是( )。
框架结构设计的主要步骤有____、____、____、、____
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