D. belonged to 满分：3 分
15. In middle school, I became more ________ with my appearance. A. concern B. concerning C. concerned D. concerns 满分：3 分
三、完型填空（共 1 道试题，共 15 分。）
V
1. Modern science has proven that acid rain (酸雨) is a dangerous problem. As a result, various ways to __1__ acid rain have been invented, and some are now __2__ used. But __3__ some cases, industries have tried curb acid rain production. There are many ways that power plant companies can reduce acid rain __4__. They can use coal with a sulfur (硫) content, and they can control process known to generate __5__ levels of acid rain. 1). A. limit B. high C. creation D. being E. in
满分：3 分 2). A. limit B. high C. creation D. being E. in
满分：3 分 3). A. limit B. high C. creation D. being E. in
满分：3 分 4). A. limit B. high C. creation D. being E. in
满分：3 分 5). A. limit B. high C. creation D. being E. in
满分：3 分