$1. C$

$-$ Thông tin ở dòng đầu : Tsunamis, whose name derives from the Japanese expression for ʻhigh wave in a harbour, are giant sea waves

$-$ Thông tin ở dòng 1,2,3 từ dưới lên : In the open ocean, tsunami waves are not very high, often no more than one or two metres. It is when they hit the shallow waters near the coast that they increase in height, possibly up to 40 metres

$2. B$ 

$-$ Thông tin ở dòng 3 : They are also referred to by the general public as tidal waves although they have nothing to do with tides. Scientists often refer to them as seismic sea waves, which is far more appropriate because they are often the result of undersea seismic activity

$3. A$ 

$-$ Thông tin dòng 3 : They are also referred to by the general public as tidal waves although they have nothing to do with tides. Scientists often refer to them as seismic sea waves, which is far more appropriate because they are often the result of undersea seismic activity

$4. D$ 

$-$ shallow = not deep : nông cạn

$5. C$ 

$-$ Thông tin ở dòng 1,2,3 từ dưới lên : In the open ocean, tsunami waves are not very high, often no more than one or two metres. It is when they hit the shallow waters near the coast that they increase in height, possibly up to 40 metres

`@Ry`

Bài `5` :

`1.`C

`-`Dựa vào nội dung của toàn đoạn văn trên, ta có thể thấy đoạn văn trên chủ yếu nói về "Sóng thần"

`2.`B

`=>`Dẫn chứng :

`-`They are also referred to by the general public as tidal waves although they have nothing to do with tides.

`-`Scientists often refer to them as seismic sea waves, which is far more appropriate because they are often the result of undersea seismic activity.

`-`Tsunamis, whose name derives from the Japanese expression for ‘high wave in a harbour’, are giant sea waves.

`3.`A

`=>`Dẫn chứng : They are also referred to by the general public as tidal waves although they have nothing to do with tides. Scientists often refer to them as seismic sea waves, which is far more appropriate because they are often the result of undersea seismic activity.

`4.`D

`-`Từ "shallow" ( cạn ) trong đoạn văn có nghĩa là "not deep" ( không sâu )

`5.`C

`=>`Dẫn chứng : In the open ocean, tsunami waves are not very high, often no more than one or two metres. It is when they hit the shallow waters near the coast that they increase in height, possibly up to 40 metres.