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【单选题】
对于机件上的肋、轮辐及薄壁等,如按纵向剖切,这些结构都不画剖面符号,而用( )将它与其邻接部分分开。A.
波浪线
B.
粗实线
C.
细实线
D.
点画线
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反馈参考答案：
举一反三
【简答题】配制泵送混凝土时，宜选用()砂。 A粗 B中 C细 D特细
【单选题】What is the role of wholesaler between manufactuer and retailer?
A.
retailer
B.
middleman
C.
manufacturer
D.
consumer
【单选题】A retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall average price of over $50, what must be the minimum average price of the rem...
A.
$49.00
B.
$49.67
C.
$50.00
D.
$51.33
E.
$55.50
【单选题】This paragraph serves the consumer as
A.
important buying information.
B.
a challenge to buy more gold.
C.
a debate over gold prices.
D.
advice about buying silver.
【单选题】WalMart，the world's largest retailer(零售商)，sells in three months ________ the numbertwo retailer Home Depot sells in a year.
A.
that
B.
which
C.
when
D.
what
【判断题】Retailer serves as market intermediaries by distributing products directly to companies.
A.
正确
B.
错误
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