第二部分：词汇知识运用（共两节，满分30分）
第一节：多项选择（共10小题；每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. The research to which his team had devoted three years finally _________ that a diet rich in vitamin C can help to prevent liver cancer.
A. confused B. realized C. confirmed D. predicted
22. The two parties have ____________ to form a new government, and all the voters are looking forward to new achievements.
A. gathered B. collected C. combined D. joined
23. The pictures show many small, round tumors(肿瘤) inside the patient, which are _________of a kind of cancer.
A. signs B. signals C. symbols D. marks
24. A study showed Britons (英国人)excitement levels are the highest when they spot a bargain in the shop. For women, the offer of a pair of shoes or a holiday with friends couldn't match the excitement of getting a (an) ________.
A. account B. discount C. award D. reward
25. With the Internet widely used, a (an)_______change has taken place in the way people communicate with one another.
A. contrary B. independent
C. agricultural D. fundamental
