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【单选题】
导游讲解时间占整个旅途时间的多少为最佳?( )A.
60%--70%
B.
100%
C.
10%—20%
D.
40%—50%
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反馈参考答案：
举一反三
【单选题】下列食品中属于禁止生产经营的是（ ）
A.
营养成分不符合食品安全标准的专供婴幼儿和其他特定人群的主辅食品
B.
超过保质期的食品
C.
无标签的预包装食品
D.
以上都是
【单选题】A small country is considering imposing a tariff on imported wine at the rate of $5 per bottle. Economists have estimated the following based on this tariff amount: World price of wine (free trade): $...
A.
a. rise; $1 million
B.
b. rise; $500,000
C.
c. fall; $2.5 million
D.
d. rise; $2.75 million
【单选题】A small country is considering imposing a tariff on imported wine at the rate of $5 per bottle. Economists have estimated the following based on this tariff amount: World price of wine (free trade):$2...
A.
fall; $10 million
B.
fall; $250,000
C.
fall; $3.5 million
D.
rise; $3.5 million
【单选题】A small country is considering imposing a tariff on imported wine at the rate of $5 per bottle. Economists have estimated the following based on this tariff amount: World price of wine (free trade):$2...
A.
rise; $1 million
B.
rise; $500,000
C.
fall; $2.5 million
D.
rise; $2.75 million
【单选题】A small country is considering imposing a tariff on imported wine at the rate of $5 per bottle. Economists have estimated the following based on this tariff amount: World price of wine (free trade): $...
A.
B.
C.
D.
D
【简答题】行驶系统使汽车各总成及部件安装在适合的位置上,对全车起支撑作用,一般是由 ____ _ 、 ____ _ 及 ____ _ 组成的。
【多选题】下列哪些说法是错误的：()
A.
《食品安全法》中禁止销售的食品都是不符合食品安全标准的食品;
B.
不合格食品就是不符合食品安全标准的食品;
C.
无包装的食品属于不符合食品安全标准的食品
D.
对与食品安全有关的标签、说明书的要求属于食品安全标准。
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