首页/ 题库 / [单选题]人体内O2、CO<的答案

人体内O2、CO2和NH3进出细胞膜是通过:( )

单选题
2021-07-17 23:16
A、单纯扩散
B、易化扩散
C、主动转运
D、入胞或出胞
查看答案

正确答案
A

试题解析

感兴趣题目
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement,crew members should use goggles and().
Effects which are dutiable or subject to prohibitions or restrictions should be declared in ().
The()may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.
()are liable to be stoten, pilfered or may damaged due to improper handing or stowage.
Banks have no liability for any delay or loss caused by postal or telex failure.
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
数据库中有"学生成绩表",包括"姓名"、"平时成绩"、"考试成绩"和"期末总评"等字段,现要根据"平时成绩"和"考试成绩"对学生进行"期末总评"。规定:"平时成绩"加"考试成绩"大于等于85分,则期末总评为"优","平时成绩"加"考试成绩"小于60分,则期末总评为"不及格",其他情况期末总评为"合格"。 请写出程序,使程序可以完成指定的功能。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
若某学校有两个分校,一个分校的学生占该校学生总数的60%,期末考试的平均成绩为75分,另一个分校的学生占学生总数的40%,期末考试的平均成绩为77分,则该校学生期末考试的总平均成绩为()分。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

35儿科常用的 ORS溶液内不含:()
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier,he is absolutely responsible to the owner of the goods carried ()any loss or damage to them unless caused by an Act of God or the Queen’s enemies,or the inherent vice in the goods themselves,or the negligence of the owner of the goods,or a general average sacrifice.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
若设定的条件表达式为“<60 Or>100”表示( )。
若设定的条件表达式为“<60 Or>100”,则表示( )。
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
数据库中有"学生成绩表",包括"姓名"、"平时成绩"、"考试成绩"和"期末总评"等字段,现要根据"平时成绩"和"考试成绩"对学生进行"期末总评"。规定:"平时成绩"加"考试成绩"大于等于85分,则期末总评为"优","平时成绩"加"考试成绩"小于60分,则期末总评为"不及格",其他情况期末总评为"合格"。 请写出程序,使程序可以完成指定的功能。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
广告位招租WX:84302438

免费的网站请分享给朋友吧