有关基础代谢的描述，错误的是( ) A．与正常平均值相差±(10%_爱下问搜题

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问题单项选择题

有关基础代谢的描述，错误的是( )

A．与正常平均值相差±(10%～15%)属于正常
B．临床用相对值表示
C．反映人体最低的能量代谢水平
D．儿童高于成人
E．在基础状态下测定

答案

参考答案：C

解析：基础代谢是指人体在清醒而又极端安静的状态下，不受肌肉活动、环境温度、食物及精神紧张等影响时的能量代谢率；一般来说，基础代谢率的实际数值与正常的平均值相差10%～15%之内都属于正常；男子的基础代谢率平均比女子高，幼年比成年高；临床用相对值表示。

完形填空

Last spring, I was fortunate to be chosen to participate in an exchange study program. In my application letter, I was careful to   21  how much I wanted to see France; evidently, my excitement really came through in my words. Once I   22   that I was going, all I could think about was the fun of foreign travel and making all sorts of new and   23  friends. While traveling was inspiring and meeting people was   24 , nothing about my term in France was what I   25 .
The moment I arrived in Paris, I was   26  by a nice French couple who would become my host parents. My entire experience was joyous and exciting  27  I received some shocking news from my program coordinator（协调人）: there had been a death in my host parents’ extended family. They had to travel outside France for several weeks. That afternoon, I had to   28  out of one family’s house into another. The exchange coordinator told me I’d have a   29  this time and asked whether I could share a bedroom with an English speaker. To avoid the temptation(诱惑) to   30 my native language, I asked not to be   31  with an English-speaking roommate. When I got to my new room, I   32  myself to my new roommate Paolo, a Brazilian（巴西人） the same age as I, whom I was surprised to find playing one of my favorite CDS! In just a few hours, we knew we’d be good friends for the rest of the   33 .
I left France with many   34 , so when people asked me what my favorite part of the trip was, they are always   35  to hear me talk about my Brazilian friend Paolo and scores of weekdays in class, weeknights on the town, and weekends   36  France we enjoyed together. I love how people   37  seem so different, but end up being so   38 . The most valuable lesson I gained from studying in France wasn’t just to respect the friend people   39  to respect all people, for your next best friend could be just a continent away. I would recommend an exchange program to anyone who wants to experience foreign cultures and gain meaningful  40 .

D．interesting

A．housekeeper

C．embarrassed

D．investigating

B．independent

A．instructions

B．friendships

单项选择题

人民币持续升值对我国经济的和人民生活的影响表现在（）

①有利于提升出口商品的市场竞争力

②有利于使我国外汇储备增值

③有利于促进外贸出口增长方式的转变

④可以减少居民赴美留学，旅游的费用

A.①③

B.②④

C.③④

D.①②