He is famous _____the field of biology, but he is more known _____an environmentalist..
| A．for, for | B．in, for | C．in, as | D．in, as |
第二节：语法和词汇知识（共15小题，每小题1分，共15分）
从每小题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
Our teachers are really ______. They often work in their office far into the night.
A. open-minded B. hard-working C. self-confident D. warm-hearted
-- Jane Gooddall is a great woman.
-- ______. She has done so much to protect chimps everywhere.
| A．Good idea | B．Congratulations | C．I think so | D．The same to you |
Email, as well as letters, ______ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
Look, dark clouds are gathering. It is ______ to rain soon.
| A．perhaps | B．maybe | C．likely | D．probably |
When I get older, I will be stronger. They’ll call me ______. Just like a _____ flag.
| A．free; wave | B．freedom; to wave | C．free; waved | D．freedom; waving |