Eggs, meat, vegetables and other foods can easily be poisoned by microorganisms such as ______.
| A．phenomena | B．dilemma | C．diploma | D．bacteria |
The maker of the popular game Angry Birds announced on Tuesday that it would open its first overseas operation in Shanghai, ______ a clear step to further enter the booming Chinese market.
| A．to mark | B．marking | C．marked | D．having marked |
On the one side of the road grass should be planted, and ______.
| A．on the other are flowers | B．on another flowers |
| C．on the other flowers | D．on another are flowers |
March 5th is the official “Learning from Lei Feng Day” when people are ______to learn from Lei Feng, a cultural image symbolizing selflessness and contribution.
| A．called on | B．called up | C．called in | D．called off |
Facts prove that the world’s economic development is not a win-lose game but one in which all ______ be winners.
| A．shall | B．can | C．must | D．will |
Eating is so important to Chinese ______ we have the term "food culture". But recent reports have the public worried about ______ is on their tables.
| A．what; that | B．which; that | C．that; which | D．that; what |