词汇；共15小题；每小题1分，共计15分；根据中文提示，完成下列句子，注意所用单词、词组的正确形式。

He _____________(调整，适应) himself very quickly to the heat of the country after he arrived .

The leading comrades in charge should not ____________ （滥用）their power .

He was very happy that his vague answer was met with a nod of ________（赞成）.

There is a small restaurant on the _________（上面的）floor .

We will give the house a ___________ （彻底的）cleaning .

The church was destroyed in 1900 and completely ________ （重建）last year .

The books were __________（赠送） by local publishing company .

__________ （物质）exists in three states : solid , liquid and gas .

Before catching a snake , please make sure that it is not a _________（有毒的）one .

The famous actress has a ________ （无污迹的）reputation .

The first time you step out , whether by accident or ____________ （故意地）, a warning is imposed .

Applicants who pay ________（预先） can get a discount .

He tried ______ （白费力气）to catch the butterfly on the flower .

Whole villages were ________ （彻底毁灭）by the floods .

He ______（泄露） as little information as possible .