银行履约保函是由商业银行开具的担保证明,它的金额通常为合同金额的( )。
A.10%
B.20%
C.30%
D.50%
参考答案:A
句型转换。
1. Mr. Wu went to America by plane. (就画线部分提问)
_________ _________ Mr. Wu go to America?
2. It took us 3 hours to go bike riding. (同义句转换)
We _________ 3 hours _________ bike riding.
3. He sometimes goes to the library. (就画线部分提问)
_________ _________ does he go to the library?
4. You mustn't talk in the reading room. (改为祈使句)
_________ _________ in the reading room.
5. I think. You won't like the film. (合并成一个句子)
I _________ think you _________ like the film.
提出“风从外入,令人振寒,汗出头痛,身重恶寒”的医著是()
A.《黄帝内经》
B.《难经》
C.《金匮要略》
D.《伤寒论》
E.《诸病源候论》