9．Yesterday Professor Wang gave us a l________ in Beijing University.

8．Hearing the astonishing news，everyone present had an a________ look on each face.

7．Which of the metals in the table ________(反應(yīng))the most with ________(氧氣)and water?

6．Iron does not r________ in air­free water.

5．We use ________(電)to provide power for machines.

4．When you heat metal，it e________.

3．G________ brings things down to earth.

2．Have you set the ________(設(shè)備)up yet?

1．Try a different m________ if the first one fails.

假設(shè)你是紅星中學(xué)高二(1)班的學(xué)生李華，利用上周末的時間幫助祖父母安排了去北戴河的旅行。請根據(jù)以下四幅圖的先后順序，寫一篇英文周記，敘述你從準(zhǔn)備到送行的全過程。

　　 注意：1．周記的開頭已為你寫好。

　　 2．詞數(shù)不少于100字。

Last weekend, I helped my grandparents prepare their trip to Beidaihe．