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【单选题】
Any fishy or strong smell means the fish isn’t fresh. 19Whenyou have bought a fish and arrive home,
A.
Do not buy it.
B.
The easiest is to steam it.
C.
This is how you can do it.
D.
It just requires a little knowledge.
E.
The fish will go bad within hours.
F.
When buying fish,you should first smell it.
G.
The fats in fish are though to help prevent heart disease.
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举一反三
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【简答题】设有下列知识： IF E1 THEN H=(h1，h2，h3} (CF={0．2，0．4，0．1}) IF E2 THEN H={h1，h2，h3} (CF={0．1，0．3，0．4)) 且已知初始证据的信任度分别为：f(E1)=0．53，f(E2)=0．49。如果｜D｜=15，求结论H的信任度f(H)。
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【单选题】使用 CSS 设置格式时, H3 B{color:blue} 表示 ( )
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【单选题】能将下面CSS代码简写的正确选项是 ( )。 p{color:red;} h1{color:red;}
A.
ph1{color:red;}
B.
p+h1{color:red;}
C.
p,h1{color:red;}
D.
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【单选题】---Don’t have so much junk food, Andy. ---Sorry, I won’t. I’ll have more fruits and form a good eating _____.
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hobby
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【单选题】The school isn’t the one I really wanted to go to ,but I suppose I’ll just have to  _______________it,
A.
make the best of
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【单选题】--- Hurry up! Don’t have the car _____ at the gate. --- I’ll be ready after I have my son ______ .
A.
wait; dressing
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