第34题: [单项选择]关于木结构,下列哪一种说法是不正确的()? A. 现场制作的原木、方木承重构件,木材的含水率不应大于25% B. 普通木结构受弯或压弯构件当采用原木时,对髓心不做限制指标 C. 木材顺纹抗压强度最高,斜纹承压强度最低,横纹承压强度介于两者之间 D. 标注原木直径时,应以小头为准;验算原木构件挠度和稳定时,可取中央截面 参考答案:C
第35题: [单项选择]Why does the man say sorry A. Because he’s speaking too slow. B. Because he’s speaking too fast. C. Because he can’t understand a word. 参考答案:B 答案解析:[听力原文]
F: I can’t follow you. Would you please speak a little slower M: I am sorry. If y