The classic superheroes like Spiderman or Superman to many decades ago.
| A．was dated | B．dated back |
| C．date back | D．was dating |
A healthy heart is very important for giving life to the full, at_________ age you are or whether you are a male or female.
| A．what | B．which | C．whatever | D．whichever |
You can use a large plastic bottle, ________cut off, as a pot to grow your plants in.
| A．the top is | B．the top of which | C．whose top | D．with its top |
语音知识（共5小题；每小题1分，满分5分）
从A、B、C、D四个选项中，找出划线部分与所给单词划线部分读音相同的选项。
1．solution
A. gun B. hunt C. equal D. typhoon
2. stomachs
A. character B. sandwich C. bench D. known
3. bow
A. flow B. fellow C. cow D. tomorrow
4. theory
A. diary B. pioneer C. therefore D. really
5. exchange
A. expression B. exist C. examine D. exercise
In the past month, cruel snowstorms hit some European countries and America , _________great transportation problems in these countries.
| A．causing | B．caused | C．to cause | D．having caused |
With Halloween approaching, there exists a real concern among parents and teachers __________ trick or treating will become a seriously anti-social activity.
| A．whether | B．what | C．that | D．how |