1 Rewrite each sentence sa that it contains according to.
a Experts say that school science textbooks are not good at teaching science.
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b Their reports say that most books cover too many topics.c These experts believe that the classroom activities in the books don 't heIp students leam basic
scientific ideas.d One scientist said the books are 'full of unconnected facts'.e Some educational experts say that students Ieam science more effectively when they try to
answer an everyday question.f These experts say that a question such as 'Why is the sky bIue?' is the kind of science question
students like answering.g This theory suggests that students Ieam better if they carry out project wark based onthis
kind of question.h However, many science teachers believe that the school syllabus does not allow enough time
for this kin d of expIoration.2 Rewrite each set of sentences as one sentence 50 that it contains instead. Addar, and, but
and sawhere necessary.
a You don't have to use butter. You can use olive oil.
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b Cooking spoils the flavour of carrots. Eat them rawo
c This is usually made with apples. Or you could try pears.d Fresh fish is best for this recipe. You can use frozen fish.e Try leaving out salt. Use other spices.f Sweets are fattening. Eat fresh fruit.g You don't have to use cream. You can use yoghurt.h In same versions of this dish beef is not used. Lamb is used.VlI...
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