题目内容
色谱法要实现两种组份的完全分离，分离度R应等于1。
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医院的建筑物有（ ）
进入医院有（） 个出入口
Directions:In the boxes below are some of the words and phrases you have learned in this unit. Choose the one that best completes the sentences.1.In a tight _________ there is no one I would sooner see than Frank.2.Charles Schulz ___________ the characters 'Snoopy' and 'Charlie Brown'.3.Long skid marks on the pavement __________ the driver had attempted to brake.4.After the arrival of the United Nations soldiers, tension in the area began to _____________.5.On further ______________, it emerged that Malcolm had not been involved in the incident.6.The Prime Minister said he was trying to ________________ peace and tolerance to his people.7.It was a difficult time, but eventually things ___________ all right.8.The government had wanted to _________ this information ________ the public.9.He ______________ revenge against Surkov for separating him from his wife and son.10.The whole nation is in a state of ___________ following the attacks.11.The hated dictator had ___________ his country __________ one of the poorest police states in Europe.12.External broadcasting _____________ more resources in Britain than elsewhere.13.Employees should be fully ____________ emergency procedures.14.Don’t worry about the travel arrangements. They’re all being __________.15.Students are encouraged to take ___________ of their own learning, rather than just depending on the teacher.16.They use games and drawings to __________ their subject.
Directions: In this part, there are 10 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the ONE that best completes the sentence.1. The method he used _________ to be effective in improving the students' English.
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