请根据下列汉语提示写出英语单词。

1．粉末n．________

2．口头的adj．________

3．royal adj．________

4．ancestor n．________

请根据下列汉语提示写出英语单词。

1．因素n．________

2．永久的adj．________

3．安慰n．＆vt．________

4．基本的adj．________

请选择本单元中合适的词，将其恰当形式填到横线上。

He is the(very)________ of his father．

The company is trying to create a young energetic ________．

The tobacco industry has been trying to improve its ________．

请选择本单元中合适的词，将其恰当形式填到横线上。

Two people in the flat ________ hearing a loud crash about 1.30 a.m．

I can't ever ________ Dad hugging me．Neither did I sit on his knee．

请选择本单元中合适的词，将其恰当形式填到横线上。

Both the Americans and the Russians are ________ to avoid conflict in South Asia．

He is ________ that there should be no delay in sending the injured person to hospital．

请选择本单元中合适的词，将其恰当形式填到横线上。

In its ________ report, UNICEF says at least 40,000 children die every day．

请选择本单元中合适的词，将其恰当形式填到横线上。

Water is a completely odourless(无味的)，colourless, ________ liquid．

请选择本单元中合适的词，将其恰当形式填到横线上。

In spite of my ________ calm I was actually very shaken．

请选择本单元中合适的词，将其恰当形式填到横线上。

The teacher ________ some time for the students to ask him questions．

请选择本单元中合适的词，将其恰当形式填到横线上。

________ putting a paper bag over our heads there is not a great deal we can do when the spots have come to visit．