Ⅰ.阅读单词
1．integrity n. ____________
2．loan n. ____________
3．milestone n. ____________
4．wage n. ____________
5．childhood n. ____________
6．obey v. ____________
7．organ donation ____________
8．steady adj. ____________
9．tempt v. ____________
10．deposit n. ____________
11．bittersweet adj. ____________
12．boarder n. ____________
13．cherish v. ____________
14．boa constrictor ____________
15．swallow v. ____________
16．prey n. ____________
17．masterpiece n. ____________
18．arithmetic n. ____________
19．disheartened adj. ____________
20．necktie n. ____________
21．memorable adj. ____________
