雅思剑桥11听力Test2解析Section 3

　　Question 21

　　答案：A

　　定位原文：scripts:

　　COLIN: I just put something about getting experience of the different sorts of procedures used on a field trip. But we need something about what causes different organisms to choose particular habitats.

　　HELEN: I agree. And something about finding out how to protect organisms in danger of dying out?

　　解题思路：本题通过aim进行定位，听到 need something…之后，选项A符合，但是选项B可能会造成干扰，但是随即被否定，but we weren‘t really looking at that。

　　Question 22

　　答案：A

　　定位原文：scripts:

　　COLIN: It was something about measuring the slope of the shore, but of course we didn't need it because we were measuring wind direction, and we'd brought the compass for that...

　　HELEN: But not the piece of string to hold up in the air! Didn‘t Mr. Blake make a fuss about us leaving that behind.

　　解题思路：题目问的是忘记带的东西是什么，ruler被提及，但是未表示是否携带，仅仅说明用途，compass说了已经携带。Helen说到but not the piece of string且语气突出。

　　Question 23

　　答案：C

　　定位原文：scripts:

　　HELEN: Now, the next section's the procedure. I sent you the draft of that.

　　COLIN: Yeah. It was clear, but I don't think we need all these details of what time we left and what time we got back and how we divided up the different research tasks.

　　HELEN: OK. I'll look at that again.

　　解题思路：通过procedure比较好定位，题目问的是Colin建议的一个改变，A不涉及，B被提及，但是属于解释details的内容。

　　Question 24

　　答案：B

　　定位原文：scripts:

　　COLIN: Then we have to describe our method of investigation in detail. So let's begin with how we measured wave speed. I was surprised how straightforward that was.

　　HELEN: I'd expected us to have some sort of high-tech device, not just stand there and count the number of waves per minute. Not very precise, but I suppose it was good enough. But the way we measured the amount of salt was interesting.

　　解题思路：wave speed 帮助定位，straightforward的意思为“直接、明了”，选项B符合。

　　Question 25

　　答案：B

　　定位原文：scripts:

　　HELEN：OK. And we need the map of the seashore. You just left that to me. And I had to do it while the tide was low, well that was OK, but the place I started it from was down on the beach, then I realized I should have gone up higher to get better visibility, so I had to start all over again. But at least I'd got the squared paper or I'd have had problems drawing it all to scale.

　　COLIN: Yes. It looks good. We could get a map of the region off the internet and see if we need to make any changes.

　　解题思路：Helen说需要站在高处才能获得better visibility，说明起初站的位置不对，B选项符合。Had to do it while the tide was low 否定了C选项，因为没有说这个时间有错或说需要更改。

　　Question 26

　　答案：B

　　定位原文：scripts:

　　COLIN: Yes. It looks good. We could get a map of the region off the internet and see if we need to make any changes.

　　HELEN: I had a look but I couldn't find anything. But you took some pictures, didn't you?

　　COLIN: Yeah. I'll email you them if you want.

　　HELEN: OK. I'll make my amendments using those, then I can scan it into our report.

　　解题思路：Helen称需要make amendments 且然后 scan it into our report，动作的主体都是对pictures的，A不符合原文意义，C选项涉及原文的internet，但是找出的是information，与原文提及的从网上下载map不符。

　　Question 27 & Question 28

　　答案：A D (in either order)

　　定位原文：scripts:

　　COLIN: ...the splash zone?

　　HELEN: Yeah, we found mostly those tiny shellfish that have strong hard shells that act as protection.

　　COLIN: But not from other organisms that might eat them, predators?

　　HELEN: No, that's not the main danger for them.A: But the shells prevent them from drying out because they're in the open air for most of the time.

　　COLIN: Right. And since they're exposed, they need to be able to find some sort of shelter, or cover themselves up, D:so they don't get too hot Then in the middle and lower zones, nearer the sea, we need to discuss the effects of

　　E: wave action...

　　解题思路：splash zone 原文重现，题干中的problem 和 原文的danger是同义替换。Helen说外壳可以避免它们变干，因为它们大部分时间都暴露在空气中;D中high temperature与 too hot为同义替换。

　　Question 29 & Question 30

　　答案：C E (in either order)

　　定位原文：scripts:

　　HELEN: Right. OK, now I did a draft of the section of sources of possible error in our research, but I don't know if you agree. For example, D: the size of the sample, and whether it's big enough to make any general conclusions from. But I thought actually we did have quite a big sample.

　　COLIN: We did. B: And our general method of observation seemed quite reliable. But we might not be all that accurate as far as the actual numbers go.

　　Yeah, E: we might have missed some organisms - if they were hiding under a rock, for example. I wasn't sure about the way we described their habitats. I decided it was probably OK.

　　COLIN: Yeah, and the descriptions we gave of the smaller organisms, they weren't very detailed, but they were adequate in this context. C: I'm not sure we identified all the species correctly though.

　　解题思路：error这个词用于定位原文答题信息，应该在原文中应捕捉负面信息。We might have missed… I’m not sure… 均为重要提示。在仔细预读题目选项之后，只有C和E符合选项。

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