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 劍橋14test1聽力答案(section4部分)

 Question 31

 答案:industry

 定位原文:scripts:

 Producing enough energy to meet our needs has become a serious problem. Demand is rising rapidly, because of the world’s increasing population and expanding industry.

 解題思路:這個題目比較好定位和得出答案,demand和題干的required發(fā)生同義替換,because of 在原文重現(xiàn),所以答案就是industry。

 Question 32

 答案:constant

 定位原文:scripts:

 Numerous devices have been invented to harvest wave energy, with names such as Wave Dragon, the Penguin and Mighty Whale, and research is going on to try and come up with a really efficient method. This form of energy has plenty of potential, as the source is constant, and there’s no danger of waves coming to a standstill.

 解題思路:利用wave energy來定位,原文是表語,題干中變成了前置定語,都是修飾source的,所以答案是constant。

 Question 33

 答案:direction

 定位原文:scripts:

 Electricity can be generated using onshore systems, using a reservoir, or offshore systems. But the problem with ocean waves is that they’re erratic, with the wind making them travel in every direction.

 解題思路:利用problems來定位,move和travel是同義替換,所以答案就是direction。

 Question 34

 答案:floor

 定位原文:scripts:

 This adds to the difficulty of creating efficient technology: ideally all the waves would travel smoothly and regularly along the same straight line. Another drawback is that sand and other sediment on the ocean floor might be stopped from flowing normally, which can lead to environmental problems.

 解題思路:利用sand 來定位,on the ocean floor 與 on the floor of the ocean是句子結構發(fā)生了變化,所以答案是floor。

 Question 35

 答案:predictable

 定位原文:scripts:

 The second category of marine energy that I’ll mention is tidal energy. One major advantage of using the tide, rather than waves, as a source of energy is that it’s predictable: we know the exact times of high and low tides for years to come.

 解題思路: 利用tidal energy定位,One major advantage of using the tide, rather than waves,就是在討論使用tidal energy的好處,尤其是跟waves相比,所以答案是predictable。

 Question 36

 答案:bay

 定位原文:scripts:

 One current plan is to create a tidal lagoon on the coast of Wales. This will be an area of water within a bay at Swansea, sheltered by a U-shaped breakwater, or dam, built out from the coast.

 解題思路:利用tidal lagoon和Wales以及at Swansea來定位,所以答案是bay。

 Question 37

 答案:gates

 定位原文:scripts:

 Then, in order to release the stored water, gates in the breakwater are opened. It pours powerfully out of the lagoon, driving the turbines in the breakwater in the opposite direction and again generating thousands of megawatts of electricity.

 解題思路: 這個題很容易錯過是因為發(fā)生了一點意義上的改寫。為了釋放儲存水,gates in the breakwater,就是擋水板上的閘口就要被打開,那言外之意,就是水是通過這個gates出去的,體現(xiàn)了through的意義,后文的driving the turbines也在原文重現(xiàn),所以答案是gates。

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