温馨提示：
此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。关闭Word文档返回原板块。
阶段滚动卷(三)
(建议用时: 40分钟)
Ⅰ. 单项填空
1. (2013·白山模拟)I was embarrassed to admit that yesterday I a serious error.
A. acted B. committed C. performed D. completed
2. (原创)Some people are quite afraid of the H7N9 bird flu virus, but it is not as deadly as other bird flu viruses.
A. entirely B. frequently C. actually D. gradually
3. (2013·银川模拟)—Peter won the first prize in the national Chinese competition.
—Oh, really? I’m glad that his effort at last .
A. worked out B. got back
C. paid off D. turned out
4. When you read the reference book, you’d better make a mark you have any doubts.
A. which B. at which C. where D. in where
5. (2013·兰州模拟)Companies in Zhongguancun all have their own characteristics, but they all share spirit of creativity and scientific skill that have made
