有心绞痛者心肌侧支循环比较丰富，这显示心绞痛或心肌缺血可以促进侧支循环的形成，从而对冠心病人具有保护作用。运动可以诱发心肌缺血，因而许多冠心病患者不敢运动或许多医生也警告患者避免运动。但运动有可能通过诱发可逆性心肌缺血，促进侧支循环的形成，增加心肌自我保护...
adoes not mean I do not want youyou 不意味我不想要youyou [translate] aVision,I love you more than I love me. 视觉,我爱你更多比I爱我。 [translate] aMy hobby is My hobby is [translate] aLittle information 一点信息 [translate] a他们正在屋里说话吗 In their room is speaking [translate]...
In the chemistry experiment, a precipitate formed. What does this mean? A. A gas was released. B. A solid formed in the liquid. C. The liquid changed color. D. The temperature increased. 相关知识点: 试题来源: 解析 B。解析:有沉淀形成意味着液体中有固体形成。选项 A 有气体释放 ...
She might be delayed in class.结果一 题目 What does the woman mean?[A]She might be late for her chemistry class.[B]___[C]She might ride her bike to theclass. 答案 She might be delayed inclass.相关推荐 1What does the woman mean?[A]She might be late for her chemistry class.[B]...
In a chemistry class, we learn about H2O. What does “H2O” mean? A. Hydrogen Oxygen B. Hydrogen two Oxygen C. Hydrogen dioxide D. Water 相关知识点: 试题来源: 解析 D。H2O 是水的化学式,表示由两个氢原子和一个氧原子组成的水分子。选项 A、B 表述错误,选项 C 是二氧化氢,不是 H2O 的...
What does inert mean in chemistry?Chemistry:Chemistry is the science concerned with the study of chemical changes. Chemical changes occur when a substance either donates, accepts or shares electrons with another substance.Answer and Explanation: ...
What does a subscript indicate in a chemical formula? What does chemical formula mean in science? What does the term "mole" mean in chemistry? What is the definition of chemistry? What does polyatomic mean? What is the definition of electropositive in chemistry?
10.Whatdoestheunderlinedword“tangible”probably mean? A.Realistic. B.Creative. C.Challenging. D.Temporary. 11.Whatcanbeinferredfromtheresearchfindings? A.Peoplecangetsmartthroughlearning. B.Oneshouldnotdiscriminateotherraces. C.Peopledon?tenjoyequalrightsforeducation. D.Onecanlivelongerbygettingmoreeduca...
5 (b),一些规则划痕(about10-20毫米),不规则的点蚀斑点和小被佩带的伤痕在球表面能被看见,而GF被佩带象什么显示在。 5 (c)。[translate] aWhat does chemistry mean to you and commitment 做化学的意味着跟你和承诺[translate]
In chemistry, concentration refers to the amount of a substance in a defined space. Another definition is that concentration is the ratio ofsolutein a solution to eithersolventor totalsolution. Concentration is usually expressed in terms ofmassper unitvolume. However, the solute concentration may al...