皮皮学，免费搜题
登录
搜题
【多选题】
室间隔缺损的临床表现有（ ）A.
生长发育落后，有心悸、气促、乏力
B.
不易发生肺部感染
C.
胸骨左缘第二肋间有Ⅱ级柔和收缩期杂音，无震颤
D.
X线示左、右心室及左心房增大，肺血管粗
E.
心电图可正常或有左右心室肥大
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文：I'd hang on to that letter. You might need it later. What's the speaker going to do with the letter?
A.
He would throw it away.
B.
He would keep it.
C.
He would post it.
D.
He would stick a stamp on it.
【单选题】Don't ______ the speaker. Wait for your turn to ask your question later. [ ]
A.
disturb
B.
tease
C.
interrupt
D.
finish
【简答题】Speaker A: I have to go. See you later. Speaker B: __________A. See you. B. Goodbye. C. Both A and B.
【简答题】K2CrO4的碱性溶液在372nm处有最大吸收,若碱性K2CrO4溶液的浓度c(K2CrO4)= 吸收池长度为1cm,在此波长下测得透射比是71.6%。计算:(1)该溶液的吸光度;(2)摩尔吸收系数;(3)若吸收池长度为3cm,则透射比多大?
【简答题】K 2 CrO 4 的碱性溶液在372nm处有最大吸收，若碱性K 2 CrO 4 溶液的浓度为3.00×10 -5 mol·L -1 ，吸收池厚度为1cm，在此波长下测得透射率是71.6%，计算：
【单选题】Later, the speaker found that he might suffer from __________.
A.
anxiety
B.
depression
C.
PTSD
D.
stress
【简答题】Speaker A: I’ve got to go. See you later. Speaker B: __________________________A. See you then. B. Goodbye. C. Both A and B.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
