单项填空 ( 共35小题;每小题 1分，满分 35分)
1. No teacher can take ______ place of our parents because they are our ______ most devoted and best teachers.
A. the;/ B. /;a C. a; the 英语英语 D. a; /
2. When you walk along the river, you can see the _____ of the trees in the water clearly.
A. mirror B. sight C. shadow D. reflection
3. China is the world’s most populous country with a population of about 1.3 billion, which makes up ______ a quarter of the world population.
A. mainly B. approximately C. punctually D. appropriately
4. The result of this study confirmed the ____ assumption made by the scientist months ago.
A. previous B. precious C. potential D. practical
5. I regularly receive comments from my readers ______ how my words inspire them.
A. owing to B. except for C. as to D. together with
6. What a pity! The great scientist died ______ her experiment half-done.
A. with B. for C. from D. of
7. Helen _____ me throughout my stay in London, otherwise I would have been lonely.
A. accompanied B. encouraged C. visited D. missed
8. When it _____ football, he will be excited and have a lot to share with his classmates.
