[单项选择]What do we learn from the conversation A. The white house is more beautiful. B. The brick house is much bigger. C. The white house has a pretty courtyard. D. The brick house has a big courtyard.
参考答案:D 答案解析:[听力原文] W: Of the two houses We saw today, which do you prefer M: I think the white one is pre
第25题: [单项选择]小儿汗证的常见病因是() A. 气虚 B. 阴虚 C. 阳虚 D. 血虚 E. 体虚 参考答案:A 答案解析:小儿汗证的常见病因有三个:表虚不固,卫气失于外护,是表气虚;营卫失调,腠理不密,主要责之于小儿时期形气未充,营卫之气不足,肌肤疏薄,亦是气虚表现;气阴两虚,汗液外泄,这是外有气虚固摄作用减弱,内有阴虚
第28题: [单项选择]占地基面积约20%的灰土桩可以承担总荷载的______。 A. 1/4 B. 1/2 C. 2/3 D. 3/4 参考答案:B 答案解析:[解析] 在灰土桩挤密地基中,由于灰土桩的变形模量远大于桩间土的变形模量,因此只占地基面积约20%的灰土桩可以承担总荷载的1/2。而占地基总面积80%的桩间土仅承担其余1/2。