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【单选题】
静滴去甲肾上腺素发生外漏,最佳处理办法是A.
局部注射麻药
B.
肌肉注射酚妥拉明
C.
局部注射β受体阻断药
D.
局部用氟轻松软膏
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举一反三
【单选题】Pierre’s friend Henri lives in a town where he has to pay 3 francs per glass of wine and 5 francs per loaf of bread. Henri consumes 5 glasses of wine and 4 loaves of bread per day. Bob has an income o...
A.
Bob and Henri are equally well off
B.
Henri is better off than Bob
C.
Bob is better off than Henri
D.
both of them violate the weak axiom of revealed preferences
【简答题】如何打开我的文档下的Broad.bmp文件，文件路径不发生改变将文件另存为：test.bmp?
【多选题】下列处理属于有损压缩的是( )。
A.
将一个BMP文件另存为另一个BMP文件
B.
用WinRAR软件压缩文件
C.
将电影制作成DVD
D.
将BMP文件另存为JPG文件
【单选题】听力原文：W: Are you feeling better. Bob? M: Yes, but I still have a little headache. Q: What do you learn from the conversation? (24)
A.
Bob is feeling as bad as before.
B.
Bob is still ill.
C.
Bob is better than the woman.
【单选题】If a firm uses labor to produce output, the firm’s production function depicts the relationship between
A.
the number of workers and the quantity of output.
B.
marginal product and marginal cost.
C.
the maximum quantity that the firm can produce as it adds more capital to a fixed quantity of labor.
D.
fixed inputs and variable inputs in the short run.
【单选题】The cost of producing an additional unit of output is the firm’s
A.
marginal cost.
B.
productivity offset.
C.
variable cost.
D.
average variable cost.
【简答题】---- Is Bob still performing? ---- I'm afraid not. He is said________ the stage already as he has become an official A. to have left B. to leave C. to have been left D. to be left
【单选题】Besides Bob and Dave, there was still third one who said he was second to reach the the top. [ ]
A.
a ; a
B.
the ; the
C.
a ; the
D.
the ; a
【单选题】题目:利用递归函数调用方式,将所输入的 5 个字符,以相反顺序打印出来。 def output(s,l): if l == 0: return print (s[l-1]) output(______) s = input('Input a string:') l = len(s) output(s,l)
A.
l-1,s
B.
s,l+1
C.
s,l
D.
s,l-1
【单选题】A firm's average total cost is $30 at 5 units of output and $32 at 6 units of output. The marginal cost of producing the 6th unit is______.
A.
$12
B.
$42
C.
32
D.
2
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