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【单选题】
环境PH对抗菌药的影响,不正确的是A.
大环内酯类在碱性环境中抗菌活性增强
B.
磺胺类在碱性环境中易析出结晶,损伤肾小管
C.
碱化尿液会增加喹诺酮类对肾脏的损害
D.
氨基糖苷类在碱性环境中抗菌活性增强
E.
四环素与酸性药物合用可促进吸收
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【简答题】将十进制转换为十六进制。
【简答题】将十进制转换为十六进制 100D= H
【多选题】Fill in the blanks with the words given below. Change the form where necessary. Each word can be used only once. conceal ;frown; conquer; reckon; convey ;forge ;abnormal; thrill; clarify ;thrive 1 To ...
A.
conveying
B.
forged
C.
thriving
D.
abnormal
E.
frowning
F.
thrilled
G.
reckoned
H.
clarified
I.
conquer
J.
concealing
【多选题】Dear Mike, My brother John will be staying with us for a few days during the Christmas Holidays. My wife and I have planned a family dinner for him at seven o’clock next Saturday evening. Many of our ...
A.
next Saturday evening
B.
Dear Peter
C.
I look forward to meeting you soon
D.
Thank you very much for your invitation
E.
Mike Smith 76 , 77 . It will be a great pleasure for me to join you 78 . I will arrive at your house before seven. And I am sure we’ll have a great time together. 79 . Thank you! Love, 80
【单选题】直径编程状态下，数控车床在用后述程序车削外圆时，…N4G90；N5G01X30；N6Z-30N7X40；N8Z-50；…，如刀尖中心高低于主轴中心，加工后两台阶的实际直径差值为（）。
A.
小于10mm
B.
大于10mm
C.
等于10mm
D.
都可能
【多选题】If you always smile at the interviewer.you could be thought to be ......... and .........
A.
happy
B.
nervous
C.
excited
D.
intimidated
E.
confident
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