根据句意及汉语提示完成句子。

1. In fact, most ______  (中等的) schools are in towns.

2. Tom is _____ (在场的),  he is not             (缺席).

3. I'll make a _____ (演讲) tomorrow.

4. The plane landed _____ (安全地) at the airport.

5. _____  (幸运地) the fire was discovered soon after it had started.

6.  Few teenagers in our city use _____ (毒品).

7. _____ (田径运动) include many kinds of sports.

8. She has joined the film _____ (社团).

食品营养强化剂量必须以营养素供给量标准为依据，使人每日从食物中摄取强化剂的量应达到供给量标准的（）

A.1／3～2／3

B.1／3～1／2

C.1／2～2／3

D.1／4～1／3

E.3／4～2／3