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【单选题】
常温下，若1 mol某气态烃C x H y 完全燃烧，需用6 mol O 2 ，则A.
x ＝2， y ＝2
B.
x ＝2， y ＝4
C.
x ＝5， y ＝4
D.
x ＝4， y ＝8
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举一反三
【单选题】We can learn from the passage that E-med service provides medical advices_________.
A.
through a doctor’s visit
B.
at a community hospital
C.
from a medical center
D.
by email or phone
【单选题】Directions: After reading the following passage, you will find 5 questions or unfinished statements, number 40 to 44. For each question or statement there are 4 choices marked A), B), C) and D). You s...
A.
through a doctor’s visit
B.
at a community hospital
C.
from a medical center
D.
by email or phone
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements numbered 36 to 40. For each question or statement there are 4 choices marked A), B), C) and D...
A.
through a doctor’s visit
B.
at a community hospital
C.
from a medical center
D.
by email or phone
【单选题】题干:某企业2019年12月份应付职工薪酬情况如下:基本生产车间生产工人薪酬150000元,车间管理人员薪酬3000元,供电车间工人薪酬40000元,企业行政管理人员薪酬28000元。生产工人薪酬按生产工时比例在甲、乙产品间进行分配本月甲产品生产工时4000小时,乙产品生产工时16000小时。12月数号份甲产品应直接分配的职工薪 酬为( )元。
A.
120000
B.
30000
C.
150000
D.
220000
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