污水的可生化性取决于（），可用（）评价。一般情况下，BOD5/COD越大，污水可生化性（），反之亦然。BOD5/COD﹤0．3，则称该污水（），BOD5/COD＝0．3～0．45，则称该污水（），BOD5/COD﹥0．4，则称该污水（）。

A、污染预防 Pollution prevention
B、末端治理 End-of-pipe control
C、风险增大 Risk enhancement
D、效果评估 Effect evaluation

Such absent-mindedness may be 1 to you; now British and German scientists are developing memory glasses that record everything the 2 sees.
The glasses can play back memories later to help the wearer remember things they have forgotten such as where they left their keys. And the glasses also 3 the user to "label" items so that information can be used later on. The wearer could walk around an office or a factory identifying certain 4 by pointing at them. Objects indicated are then given a 5 label on a screen inside the glasses that the user then fills in.
It could be used in 6 plants by mechanics looking to identify machine parts or by electricians wiring a 7 device.
A spokesman for the project said: "A car mechanic for 8 could find at a glance where a part on a certain car model is so that it can be identified and repaired. For the motorist the system could 9 accident black spots or dangers on the road."
In other cases the glasses could be worn by people going on a guided tour, 10 points of interest or by people looking at panoramas where all the sites could be identified.
[A] allow
[B] instance
[C] blank
[D] industrial
[E] frustrating
[F] items
[G] indicating
[H] highlight
[I] user
[J] complicated
[K] white
[L] annoying
[M] successful
[N] articles
[O] simple