Q

Explanation

Skills tested

66. G

`Claim' collocates with `first-ever working version', and `a hydrogen-powered model' is a kind of vehicle which it claims does not give off any pollution at all.

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67. A

`Earth Summit meeting' collocates with `the issues discussed'. That is the normal procedure of a meeting.

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68. H.

`Scientists found a way' implies it is `a pilot project'. `Controlling deadly algal blooms' is parallel to `used to clean up the sea bed naturally.'

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69. J.

`Not even' is negative in sense, and it is parallel to `make four members of its staff redundant' is also negative in sense.

Identifying a discourse marker.

70. F.

`A novel way to combat the huge amount of plastic waste littering their island's coastline' is `residents are gathering up the bleach and drink bottles and then used them as net floats.

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71. K.

`Satellite picture' responds to `can see through cloud'. Both the satellite pictures and radar are means to let anyone know how serious the pollution is.

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72. C

Pedestrianised cities' is similar to `car-free environments'.

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73. E.

`Deadly airborne chemicals' is parallel to `the toxins come from industrial sources like electroplating'

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74. I.

`Consumers will have to rethink their buying habits' is parallel to the change of dependence on electrical appliance that is a kind of buying habit.

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75. D

`The greenest companies in Hong Kong are unlikely to be based in the territory' because `the branches of overseas-owned firm are easily the leaders.

Identifying cause-effect relationship

76. B.

`Books, newspapers, videos' are materials which to cover topics such as green consumerism and creating a green household.

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