【单选题】According to the international regulation, the playing of the national anthem ______ all sports events.
【单选题】对青年人作有关民意测验的访问,最好选择在()
【判断题】( ) 1. “All national character” is the most important of all the five characteristics of the basic word stock.
【单选题】According to the international regulation, the playing of the national anthem ______ all sports events.
【单选题】() is not a characteristic of basic word stock
B.
All national character
【判断题】“All national character” is the most important of all the five characteristics of the basic word stock.()
【单选题】下列对人体某些生理过程的叙述中,正确的是______。
A.
一个人在冬季或夏季均能维持体温的相对恒定,是因为冬季比夏季产热多、散热少
B.
所谓内环境的稳态是指在正常情况下,内环境的各项理化性质能保持不变
C.
如果下丘脑严重受损,则人体很难维持自身的体温恒定
D.
当血钾含量降低或血钠含量升高时,醛固酮的分泌量会增加
【简答题】在正常情况下,高等动物和人体的内环境是能够保持相对稳定的,这种稳定是细胞进行正常生命活动所必需的。请回答下列问题。 (1)血浆中的pH之所以能够保持相对稳定,是因为其中含有________。肺气肿患者由于呼吸不畅,血液中的pH将略________,这是因为__________。 (2)如果给某病人静脉滴注质量分数为9%的NaCl溶液200mL,预计此病人的内环境渗透压将________,尿量将__...
【判断题】The characteristics of the basic word stock include all national character, denizens and productivity.()