Bài tập Tiếng Anh lớp 9 Unit 10 có đáp án, bộ 1

Factories release harmful smoke into the atmosphere, _________ causes serious breathing problems for local residents.

• Athat
• Bwhere
• Cwho
• Dwhich

Our school planted many trees in the yard _________ they wanted to reduce local air pollution.

• Aso that
• Bdespite
• Calthough
• Dbecause

Scientists study the ecosystem _________ they can protect endangered animal species effectively.

• Aso that
• Bbecause of
• Csuch that
• Ddue to

Nam is the student _________ project about biodiversity won the national science competition.

• Awho
• Bwhom
• Cwhose
• Dwhich

The climate is changing rapidly _________ excessive greenhouse gas emissions from factories and vehicles.

• Abecause
• Balthough
• Cdue to
• Dso

Local communities planted thousands of trees _________ prevent soil erosion on the hillsides.

• Ain order that
• Bbecause
• Cso as to
• Das a result

Earth faces severe environmental issues today. Human activities release huge amounts of carbon dioxide into the [1] __________, causing temperatures to rise globally. This global warming melts polar ice and threatens natural [2] __________ where polar bears and other animals live. Furthermore, plastic [3] __________ in the ocean endangers marine wildlife daily. To fix this, cities must transition to [4] __________ energy sources like wind and solar power. Every citizen can help [5] __________ natural resources by reducing waste and recycling paper, metal, and glass.

Gap [1]

• Aatmosphere
• Bhabitat
• Cresource
• Docean

Gap [2]

• Acarbon footprint
• Bhabitat
• Cextinction
• Dpollution

Gap [3]

• Arenewable
• Bpollution
• Cwildlife
• Ddamage

Gap [4]

• Arenewable
• Bthreatened
• Cglobal
• Dnatural

Gap [5]

• Athreaten
• Bconserve
• Cdamage
• Dpollute

Many rare animal species face the danger of (extinct) _________ due to illegal hunting and forest loss.

Burning fossil fuels causes severe (pollute) _________ in big industrial cities.

Solar power is a clean and (renew) _________ source of energy for future generations.

Air _________ in urban areas has reached dangerous levels because of heavy traffic.

We should reduce our carbon _________ by using public transport instead of personal cars.

The river, which flows through the city, are heavily polluted with industrial waste.

• Ariver
• Bwhich
• Care
• Dindustrial waste

Many animals lose their natural habitats because deforestation.

• Alose
• Bnatural habitats
• Cbecause
• Ddeforestation