6．Henry's birthday is on _______ Saturday next month，but I don't remember _______ date．（ ）
| A． | 不填；the | B． | a；a | C． | a；the | D． | the；the |
3．John Smith：Do you know that we've been studying Euler in math？
Zhao Yang：（6）D
John Smith：Well，he was a famous mathmatician in the eighteenth century．He revised all the pure mathematics that was known in his day．
Zhao Yang：（7）B
John Smith：You're wrong there．He wrote more than any other mathematician before or since．
Zhao Yang：Really!（8）E
John Smith：He introduced a lot of symbols into mathematics such as pi（π） and the terms"sine and cosine"
Zhao Yang：（9）C
John Smith：And he did half of his work when he was blind．
Zhao Yang：（10）A
John Smith：He told his ideas to someone else who wrote them down．
Zhao Yang：（6）D
John Smith：Well，he was a famous mathmatician in the eighteenth century．He revised all the pure mathematics that was known in his day．
Zhao Yang：（7）B
John Smith：You're wrong there．He wrote more than any other mathematician before or since．
Zhao Yang：Really!（8）E
John Smith：He introduced a lot of symbols into mathematics such as pi（π） and the terms"sine and cosine"
Zhao Yang：（9）C
John Smith：And he did half of his work when he was blind．
Zhao Yang：（10）A
John Smith：He told his ideas to someone else who wrote them down．
| A．How did he do that？ B．That probably wasn't very much． C．Wow! D．Who is he？I've never heard of him． E．Well，what did he do？ F．I hope so． G．Where was he born？ |
2．Students who study ______ can have more satisfaction，be healthier and more effective．（ ）
| A． | approximately | B． | flexibly | C． | accurately | D． | extremely |
1．The old house ______ the roof was damaged in a storm is being repaired now．（ ）
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| A． | where | B． | of which | C． | that | D． | whose |