C．as big as a fly

D．bigger than a fly

5．What can't you see during the Virtual Reality Voyage?

A．The tiniest fish.

B．The prettiest fish.

C．Polar bears.

D．The noisiest fish.

重点词汇

1．There are fantastic shows every two hours.

每两小时就有一场精彩的表演。

[归纳拓展]

every＋基数词＋复数名词，意为"每......"。

every＋序数词＋单数名词，意为"每......"。

every other＋单数名词，意为"每隔一......"。

every few＋复数名词，意为"每隔几......"。

[语境助记]

(1)You'd better plant a tree every five metres/every fifth metre.

你最好每5米植一棵树。

(2)Please come to see me every other day/every two days.请每隔一天来看我一次。

[题组训练]

(1)完成句子

①You will be better soon if you take the medicine (每四小时一次)．

②-How often does he make a trip here?

- (每五天)．

③I try to visit my parents (每隔几周)．

(2)句型转换

The doctor comes to the hospital every other day.

→The doctor comes to the hospital .

2．Some fish attract other fish with a light on their body-and then eat them!

有些鱼用它们身上的光来吸引其他的鱼--然后吃掉它们！