根據(jù)句意及首字母或漢語提示,寫出各句中所缺單詞的正確形式。(每空一詞,共10分)
小題1:As you go up a mountain, you have to overcome the earth’s g which pulls you down.
小題2:The m leaf has become the most important symbol of Canada since the national flag was introduced in 1965.
小題3:The little girl was t at the thought of being left alone at home and cried.
小題4:He went to the United States in the 1980s and s down there.
小題5:Don’t leave matches or cigarettes on the table w reach of little children.
小題6:How quickly a fuel burns depends on how well it is mixed with (氧氣) or air.
小題7:The policemen were sent to find the black box because it showed why the plane had
(墜毀).
小題8:The idea (存在) only in the minds of us young people today.
小題9:This problem is only (稍微) difficult so I can work out.
小題10:They claimed that when they were (包圍) by the gang they acted in self-defense.