Fengjun，_______ president of Aigo Technology Company, is the second Chinese billionaire to promise _________all-donation after Chen Guangbiao.
| A．the; / | B．a; an | C．the, the | D．/; an |
In terms of the knowledge of science, few students in our class can really ______ Christopher.
| A．suit | B．compare | C．win | D．match |
Remember to pack more winter clothes into your suitcase. The winter in Chicago _____ be extremely cold.
| A．must | B．will | C．can | D．shall |
Two-fifths of people have reported that they get a sunburn ______ to “deepen” a brown skin, despite the fact that getting a painful sunburn just once every two years can increase the possibility of skin cancer.
| A．on condition | B．at present |
| C．by accident | D．on purpose |
He was always too hard on himself, never spending one single penny more. But he acted ________ when he helped the poor old lady.
| A．cruelly | B．selflessly |
| C．actively | D．actually |
Researchers have invented _________ ears that look and act like the real ears, giving hope to patients missing all or part of their ears.
| A．technological | B．artificial |
| C．false | D．magical |