many visitors to see.

一方面我必须工作；另一方面我有许多来宾要照看。

19.他欺骗我借给了他100美元。

He tricked me 100.

20.请每六个小时吃一次药。

Please take the medicine _______________________.

Ⅳ.课文语法填空

Welcome 21. Underwater World. You can watch the polar bears，a real iceberg，the acrobatic seals and meet the friendly penguins in the "Polar World".If you go to the "Ocean Floor"，you can see the most beautiful coral and the most unusual fish that appear 22. (fly) through the water. In the "Sea Theatre"，you can see our intelligent dolphins. And in the "Discovery Pool"，younger children can touch crabs and other smaller creatures.23. can be educated about daily life on the beach in this 24. (excite) area. And on the "Virtual Reality Voyage"，you can enjoy some of 25. strangest fish in the world. You can see the prettiest fish that use a light on 26. body to attract other fish，the noisiest fish 27. can produce sounds almost twice as loud as your speaking voice and the tiniest fish that is 28. (small) than a fly. Here you can also swim 29. dolphins and face an attack by the most 30. (danger) creature in the sea-the great white shark.

V.单句改错

31. Meet our less energetic but more friend penguins

32. They are less colourful as some other fish but they move beautifully.

33. They can touch crabs and another smaller creatures.

34. They have a huge mouth and can eat fish so big as themselves.

35. Look careful for the tiniest fish in the world.