加热只是为反应提供____ ，并不降低____ ，而酶具有催化作用是与____对照，其原理是____，酶的高效性是与____ 对照，其原理是____．

①When is New Year's Day?

____

②Mother's Day is in May.

____

③We have a sports meet.

____

④We have a maths test in April.

____

根据句意及首字母提示完成单词。 
It's too hot,  we need to drink more w____. 
Mr. Black looks u____ ,  but he is a really good man. 
—How is the salad?  —Very d____.
—Where is the post office?   —It's at the c____ of the street. 
The movie Avatar is great.  We d____to see it again.

阅读理解
   Betty is an American school girl. She is very happy because her parents will take her to China for a visit. They are going to fly from New York on June 30 and get to Beijing on July 1. They will stay at Lido Holiday Inn. Their Chinese friends will show them around Beijing. They are going to visit the Palace Museum, the Summer Palace, the Temple of Heaven and the Great Wall. They will also visit some Chinese homes and try some Chinese food. They will spend a week in Beijing and then go to Xi’an, Guilin and some other places for sightseeing. The whole trip will take three weeks and she is sure she will have a great time in China.

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