Though ______, many laws of nature exist.
| A．not having been discovered | B．having not been discovered |
| C．not having discovered | D．having not discovered |
相关试题
The big snow caused great ________ to the people living in the south of China, ________ some of them homeless.
| A．destroy; left | B．damage; leaving |
| C．ruin; having left | D．wound; leaving |
What lessons China can draw from _______ global financial crisis has become _______ hot topic among us students.
| A．the; a | B．/; a | C．a; the | D．/; the |
从A、B、C、D四个选项中，找出其划线部分与所给单词的划线部分读音相同的选项。
canal
| A．attack | B．valley | C．nation | D．damage |
mobile
| A．local | B．motto | C．remove | D．honey |
calm
| A．half | B．already | C．capital | D．chalk |
ancient
| A．secure | B．fierce | C．incident | D．musician |
extra
| A．explore | B．exactly | C．exercise | D．explode |
Is it He Long Sports Centre you are going to watch the football match?
| A．where | B．that | C．which | D．when |
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