第7题: [单项选择]失代偿性代谢性酸中毒: A. CO2CP↓,pH↑ B. CO2CP↓,pH不变 C. CO2CP↑,pH↑ D. CO2CP↓,pH↓ E. CO2CP↑,pH↓ 参考答案:D 答案解析:[解析] 代谢性酸中毒由[*]降低引起,CO2CP降低来代偿,超过代偿范围时CO2CP不能再降低,而又不足以抵消[*]的下降,此时pH仍低。
第10题: [单项选择]The manager spoke highly of such______ as loyalty, courage and truthfulness shown by his employees. A. virtues B. features C. properties D. characteristics 参考答案:A 答案解析:[解析] A项virtues意为“美德”;B项features意为“特点”;C项properties意为“性能,特征,财产”;D项characteristics意为“(性格)特征,特点”。句中的;“l
A. telephone the doctor immediately B. first relieve the stress and tension which cause the pains C. wait to let the pains reach a certain point D. take pain-killer 参考答案:B 答案解析:细节题。根据最后一段中的”when they(threshold pains)occur;he or she does something about relieving the stress and