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百度试题 结果1 题目( )13. Is oxygen(氧气) the only gas helps fire burn?D A. it B. what C./ D. that 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Oxygen saturation levels (SpO2) between 95 to 100 percent are considered normal for both adults and children (below 95% is considered abnormal). People over 70 years of age may have oxygen levels closer to 95%. Normal oxygen saturation levels (SpO2) are between95 to 100 percent for both ad...
Is oxygen the only gas ___ helps fire burn?A that B / C which D what 相关知识点: 试题来源: 解析 A核心短语/词汇:help sb./ sth. (to) do sth. 帮助某人/某物做某事句子译文:氧气是唯一的助燃气体吗? 本题考查定语从句。___helps fire burn 用来修饰之前的名词gas, 该从句的引导词在定...
Fish ___ oxygen through their gills(鳃). III.单项填空: () 1. Air pollution can affect humans by___ sore eyes and respiratory problems, especially in children and___. A. cause, the old B. causing, the older C. causing, the elderly D. cause, the elderly ()...
An oxygen deficit is a type of condition in which there is a shortage of oxygen in an organism. The causes of oxygen deficit...
本句是限定性定语从句,从句修饰名词 the only gas,the only gas是物体,名词被the only修饰时,关系词只能用that。故选D项。结果一 题目 Is Oxygen the only gas ___ helps fire burn?A.itB.whichC.whatD.that 答案 D相关推荐 1Is Oxygen the only gas ___ helps fire burn?A.itB.whichC.whatD.that...
Oxygen is a gaseous chemical element vital to respiration. Although pure oxygen is used medicinally, it can be dangerous when...
Human facial expressions differ from those of animals in the degree ___ they can be controlled on purpose. (2007重庆卷) A. with which B. to which C. of which D. for which结果一 题目 Is oxygen the only gas helps fire burn? A.thatB./C.whichD.it 答案 A此句为定语从句,当先行词ga...
C.is D.has been 11.The main idea of the passage is that(). A.parents should leave their children alone B.kids should have more activities at school C.it’s time to be more strict with our kids D.parents should always set a good example to their kids 12.Which of the following is...