1B 部分翻译
We can use unless to say that something can only happen or be true in a particular situation.
我们可以用unless说明只有在一个特殊情境下才能发生某事或某事是真实的。
The situation will continue unless humans stop hunting them for their fur and bones.
情况仍然会继续，除非人们停止捕杀它们获取皮毛和虎骨。
Sometimes we can use if ... not to replace unless.
有时我们可以使用if... not来代替unless。
The situation will continue unless humans stop hunting them for their fur and bones.
情况仍然会继续，除非人们停止捕杀它们获取皮毛和虎骨。
→The situation will continue if humans do not stop hunting them for their fur and bones.
→情况仍然会继续，如果人们不停止捕杀它们获取皮毛和虎骨。
Unless it rains tomorrow,we are going to play football in the park.
除非明天下雨，我们将去公园踢足球。
→If it does not rain tomorrow,we are going to play football in the park.
→除非明天不下雨，否则我们将去公园踢足球。
The unless-clause can come first or after the main clause.
unless从句可以放在主句之前或主句之后。
Unless you try your best,you will not realize your dream.
除非你尽力，否则你不会实现你的梦想。
You will be late unless you leave right now.
你会迟到除非你马上离开。
A trip to a film and TV studio
Sandy has prepared some tips for a school trip to a film and TV studio. However, she tore the tips by accident. Help her put the tips back together. Match the two parts of the sentences and write the correct letters in the blanks.
桑迪准备了去摄影棚和演播室的学校旅行的建议。然而，她意外地撕坏这些建议。帮助她还原这些建议。连接句子的两个部分并在空白处写出正确的字母。
1 Unless the weather report says it is going to rain,
1除非天气预报说要下雨，
2 We will arrive at the studio around 9:30 a. m.
2我们大约在上午9:30到达演播室
3 Unless you already know the studio very well,
3除非你已经非常了解演播室，
4 You will buy your lunch at the restaurants in the studio
4你将在演播室的餐厅里买午饭
5 Unless you are tired,
5除非你累了，
6 You will have a chance to see how a TV programme is recorded
6你将会有机会看怎样录制电视节目
a unless you take your own food with you.
a除非你自带食物。
b you will not need to take the minibus in the studio.
b你将不需要坐演播室里的小型公共汽车。
c you will not have to take an umbrella with you.
c你将不必随身带伞。
d unless the traffic is very heavy.
d除非交通很拥堵。
e unless you have little interest in it.
e除非你对它不感兴趣。
f you will travel around it with a tour guide.
f 你会跟随导游来游览。
Work out the rule!
We use the simple present (future, present) tense in the unless-clause.
在unless从句中，我们用一般现在时。
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