1 . 看起来海水好像不干净，不能在这儿游泳。
It looks ________ the sea water isn't   clean enough to swim here.

2 . An opinion is _______________________(某人信以为真的) but has not been proved.(believe)

3 . The most pleasant thing of the rainy season is __________ one can be entirely free from dust.

4 . One of his first findings was ___________articles in the science section were much more likely to make the list than non-science articles. (用适当的词填空)

5 . Perhaps this is ________photos are for: to remind us that we all appreciate beauty, that we all share a common desire for pleasure, for connection, for something that is greater than us. (用适当的词填空)

6 . The second reason is _________people are living longer. A child born in the US today has a very realistic chance of living beyond 100 and needs to plan accordingly. (用适当的词填空)

7 . The truth is ___________we are lucky enough to have clean water whenever we want, but this is not the case for many people around the world. (用适当的词填空)

8 . The reason why the ponies here are naughty is __________ Haytor is a tourist-heavy area and tourists are constantly feeding the ponies foods, despite signs asking them not to. (用适当的词填空)

9 . What they found was _________people wearing white coats performed better than those who weren’t. (用适当的词填空)

10 . Not everyone acts the same in response to events, and that is __________what triggers one person may or may not trigger another. (用适当的词填空)