________ is a very clever scientist who can’t walk or even speak, but he regards his many physical problems as unimportant.
| A．Einstein Albert | B．Stephen Hawking |
| C．Edison Thomas Alva | D．Newton Sir Isaac |
相关试题
—You will fail in the exams ________ you work hard.
—I know, Dad. I'll try my best.
A. if B. unless C. as long as
We usually ________ different clothes in the shop to decide which one to buy.
A. try on B. take off C. sell out
粤公网安备 44130202000953号