Unit 8　Adventure
课时作业(四)　Warm-up & Adventure Holidays
　　Ⅰ.单词拼写
　　1．The climbers tried to find a new ________ (路线) to the bottom of the valley.
　　2．On the top of the mountain，you can see the sun rise up from the ________ (地平线)．
　　3．At a high ________ (海拔)，the temperature is usually low.
　　4．They are making their way to the village with heavy
　　________ (行李)．
　　5．We had a few ________ (焦虑的)moments before we knew the results of the exam.
　　6．WTO is an international ________(组织)，of which China is an important member.
　　7．Is English an ________(选修的)lesson，or does everyone have to learn it?
　　8．When you are used to being busy，you may feel ________(不舒服) if you have nothing to do.
　　9．To finish the project ahead of time，we need to work an ________(额外的) hour every day.
　　10．The high cost of ________(住所)places a huge burden on workers.
　　Ⅱ.单项填空
　　1．Every student as well as teachers who ________ to go for an outing ________ to gather at the school gate at 7：00 in the morning.
　　A．