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【单选题】

如果丝状菌过量繁殖,使絮凝体密度变小,污泥SVI值( ),会造成污泥膨胀。

A.
下降
B.
不变
C.
上升
D.
逐渐变化
举报
参考答案:
参考解析:
.
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【单选题】How should one invest a sum of money in these days of inflation (通货膨胀) Left in a bank it will hardly keep its value, however high the interest rate is. Only a brave man, or a very rich one, dares to b...

A.
suggest human beings are controlled by a clock
B.
describe why clocks can rule the planet Earth
C.
tell readers what clocks look like
D.
compare clicks to human beings