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() 3. The last question in the Maths exam was hard but ______ rest were easy.
A. a
B. /
C. the
D. an

() 5. Damin's grandson often practices ______ fish with cormorants.
A. catch
B. catching
C. catches
D. to catch

() 7. Tobacco ______ nicotine, which is harmful to smokers' health.
A. contains
B. is containing
C. contained
D. has contained

() 12. Excuse me, ______ is the way to the Bund?
A. where
B. which
C. what
D. how

II. Complete the following passage with the words in the box. Each can be used only once.
A. seemed B. brains C. published D. still E. in the end F. firstly G. height
According to an article in a magazine, Joana and her team did some experiments on mimosa (含羞草), a plant.
In the experiment, they planted 56 mimosas in different pots. Then they dropped some water from a of 15 centimetres. At first, each time they dropped water on mimosas, the plants closed their leaves. But , the plants didn't close their leaves any longer. These plants of mimosa to know that the small drops of water wouldn't do any harm to them.
Four weeks later, the team dropped water on the same plants. Surprisingly, the plants didn't close their leaves.
Joana isn't sure how plants learn and remember—plants don't have at all. But she thinks that they may learn and remember with some parts of their body, she told the magazine.
1. ______ 2. ______ 3. ______ 4. ______ 5. ______ 6. ______