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1.There are two basic branches of the science of astronomy: observational and theoretical. Observational astronomy, as the name suggests, is concerned with observing the 1_______ _ and then analyzing the observations, using the 2_______ _ of physics. Theoretical astronomy focuses more on developing computer or analytical models to 3___ astronomical phenomena. The two 4_ complement each other, with observational astronomers attempting to 5_ _theoretical results, and theoreticians aiming to explain what has been observed. angles confirm describe effects fields principles reason skies

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G Read the article below and complete the notes that follow. Write no more than three words from the article in each gap.1. One feature of texting language: it doesn’t use _____ .2. Idea that texting harms language skills: not supported by much _.3. New research: effect of texting on language use could be _________ .4. Well-known story: student using texting language in _ .5. Actual examples of “text speak” in school work are __________ _.6. Dr Plester: reading and writing more makes people_ .7. Most young people avoid using texting language when it is __.

A Why does Christ Church Cathedral clock give a different time from other British churches?___

A. Oxford likes to be different from other places.
B. It was initially a protest against the coming of the railway.
Cathedral staff were reluctant to act too quickly.
D. It was very difficult to alter the time on the clock.

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B What is the writer's conclusion about zebras?___

A. Zebras are not as similar to horses as they initially appear.
B. People have little motivation to develop a zebra that could be ridden.
C. It is unlikely that people could develop a zebra that would be good to ride.
D. Motorised vehicles are gradually reducing the numbers of zebras that are being bred.

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C What has led to there being no very old wood carvings in West Africa?_ _

A. the nature of the climate there
B. Western collectors' desire for such carvings
C. the fact that other materials were used previously
D. destruction of the carvings because of religion
E. problems caused by insects

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A Why does Christ Church Cathedral clock give a different time from other British churches?___

B What is the writer's conclusion about zebras?___

C What has led to there being no very old wood carvings in West Africa?___ ___

C What has led to there being no very old wood carvings in West Africa?_ _