Not all the patents________ have been recognized.
| A．to be examined | B．being examined |
| C．examined | D．having been examined |
The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.
| A．expose | B．exposing | C．exposed | D．being exposed |
Yifu library was named ______ a businessman devoted to China’s education.
| A．in honour of | B．instead of | C．in favour of | D．by means of |
The boy knocked down by the car stood up all by himself , _____unhurt.
| A．apparently | B．doubtfully | C．unfortunately | D．generally |
——I think the book is as interesting as it is instructive．
—— It could never be____．It is well worth reading．
| A．as true | B．true | C．the truest | D．truer |
He decided that he would drive all the way home instead of ______at a hotel for the night.
A. putting down B. putting off C. putting up D putting on