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【单选题】
小儿颅内感染性疾病急性期脑脊液白细胞计数可能正常的最常见是（）A.
结核性脑膜炎
B.
肺炎球菌脑膜炎
C.
病毒性脑炎
D.
流感杆菌脑膜炎
E.
脑膜炎双球菌脑膜炎
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皮皮学刷刷变学霸
举一反三
【单选题】Up In Smoke Company, a producer of salsa, has the following information: Income tax rate 30% Selling price per unit $5.00 Variable cost per unit $3.00 Total fixed costs $90,000.00 ______________ mu...
A.
a. 10,000 units
B.
b. 27,000 units
C.
c. 45,000 units
D.
d. 60,000 units
【单选题】What is the main idea of the passage?
A.
The trend of kids moving back home has negative effect to American culture.
B.
The symptom of adult kids moving back home is extraordinary.
C.
Back to the nest is by no means the precedent.
D.
The family unit and individual independence are damaging in the society.
【单选题】用22kw的双层烘炉烤小面包,每次烘烤时间14min,每层2个烤盘,每盘放24个面包,每度电1元,则每个面包的直接电费为( )元。
A.
0.013
B.
0.027
C.
0.054
D.
0.04
【简答题】变压器是一种能变换 交流 电压,而 不变的静止电气设备。
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