【单选题】【消耗次数：1】
对血管的衰老的表现描述不正确的是（ ）。
①
静脉血管壁弹性减退
②
皮下淤血
③
下肢水肿
④
血液反流加快
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相关题目
【单选题】
平卧对心血管系统影响不正确的是
①
肢体组织血流量减少，回心血量增多
②
氧化酶活性降低、组织气体交换率下降
③
血液粘滞度增加，血流速度缓慢
④
有氧运动能力增加
⑤
回心血量常增加500-700ml
随机题目
【单选题】
According to the author, in order to have a good command of English one must ____.
①
employ as many learning strategies as possible
②
expect to gain an easier task
③
exert oneself constantly
④
sustain oneself
【单选题】
Mr. Brown had hardly said a word since supper,___ had his wife.
①
either
②
or
③
nor
④
so
【单选题】
______ bad cold she spent the entire day in bed.
①
As if
②
Even though
③
In addition
④
Due to
【单选题】
Modesty helps one to go forward, ______ conceit makes one lag behind.
①
whenever
②
only if
③
whereas
④
consequently
【单选题】
A pen pal provides good motivation for your writing because he or she ____.
①
lives far away from you
②
knows China a lot so that you can have a lot to talk about
③
also keeps a diary
④
may inform you of many interesting things in his or her culture
【单选题】
As for words which do not often occur in everyday situation, you just need to be able to ____.
①
recognize them
②
nod at them
③
concentrate much on them
④
practice using them constantly
【单选题】
According to the text, which of the following is NOT one of the possible activities for you to practice speaking English at school?
①
To talk to native speakers on campus.
②
To speak English to the waitress in English as you pay for a meal in a restaurant.
③
To rehearse aloud by yourself.
④
To talk with your classmates in English.
【单选题】
The place did not seem to be popular, for it was completely deserted, and in any case _____ to traffic.
①
inaccessible
②
inadequate
③
insignificant
④
incompatible