题目内容
脚手架是指为建筑施工而搭设由（）等构成承受荷载的各种支架
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脚手架钢管选用中，以下那种严禁使用
[音频]It’s hard to make friends if you stay home alone all the time. Get out of the house and do things that will (1) ________ you in touch with other people. Join a club or play a (2)________. Attend meetings of neighborhood associations or other groups. It’s easier to make friends when you have similar (3)________. Plan things to talk about with people. Find out what's in the (4) ________, listen to the top CDs, learn about what’s new with your favorite TV or movie star.
有关肺炎链球菌不正确的描述（ ）
某病人手术后，在手术创面出现脓性分泌物。经培养，血平板上有金黄圆形、凸起、表面光滑的中等大小菌落生长，菌落周围有透明溶血环。革兰染性球菌，呈葡萄状排列，触酶试验阳性，血浆凝固酶试验阳性，新生霉素敏感。最可能是（）
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