【推荐1】There are many trees on the ________ (顶部) of the mountain.

【推荐2】Sharks are at the t________ of the food chain in the ocean’s ecosystem.

【推荐3】Yunnan has become the ________ for tourism because of its special ethnic customs. (首选)

【推荐1】Complete the sentence with the given words in their proper forms.
1. The students took a trip to some remote areas and saw the problems ________.（they）
2. At the ________ of the lesson, the teacher showed us some beautiful pictures.（begin）
3. Dad tried to sway me from my ________ of quitting school and taking up smoking, as any good father would. （decide）
4. It is conspicuous（明显的）that smoking is ________ to health. （harm）
5. Those buildings are designed by very famous ________.（architecture）
6. The ________ dictionary is a birthday present from my father.（electron）
7. Diogenes was one of the most famous ________who lived in Greece.（think）
8. Computer can do ________ like lightning.（calculate）
9. The book How A Child ________ involves learning and mastering skills like sitting, walking, talking and skipping.（development）
10. ________ parks and theme parks are terms for a group of rides and other entertainment attractions. （amuse）

【推荐2】A bear has long and _________(厚的) hair on its body.

【推荐3】根据所给音标和句意, 写出空缺处各单词的正确形式。（每空一词）
1. Halloween is a ________________ [ˈspeʃl] festival in the USA.
2. Please have a look at the ___________[ˈmenjuː] if you want to order dishes.
3. I like collecting ___________ [stæmps] because I can learn a lot about the world.
4. This pair of shoes ___________[fɪts] me very well.
5. The classroom looks big and ___________[ˈmɒdn].