.______________ is the increase in the temperature on Earth.

A.Greenhouse effect    B.Global warming  ​C. Climate change      ​​D.Ecological balance

• A

• B

• C

• D

It was his own fault, but I couldn’t help_______sorry for him.

A. feeling                     B.to feel.                  ​C. feel               ​​D.to have felt

• A

• B

• C

• D

The mail goals of the ASEAN Youth Volunteer Program are _________ youth volunteering and helping the development of the ASEAN community.

A.promoting                B.reducing               ​C. proposing                 ​D.selecting

• A

• B

• C

• D

Limiting the global temperature rise requires __________ global CO2 emissions.

A.reduce                      B.to reduce               ​C.reducing                    ​D.reduced

• A

• B

• C

• D

.The little boy looks _____________ because he gets good grades in the exam.

A.happy                       B.unhappy                ​C.happily                      ​D.unhappily

• A

• B

• C

• D

This is a ‘green city’ designed to reduce its negative _____________ on the environment.

A.impact                     B.result                     ​C.impression                ​D.force

• A

• B

• C

• D

.Our family is going to travel abroad 20th February, so we__________get our passport by that time.

A.ought not to               B.have to                   C.must                          ​D.shouldn’t

• A

• B

• C

• D

The ________ refers to the difference in attitudes or behavior between a younger generation and the older one.

A.argument                   B.generation gap        C.conflict                      ​D.disagreement

• A

• B

• C

• D

Although global warming is causing changes in weather patterns, it is only one aspect of ________.

A.global warming     ​B.ecological balance      C.climate change       ​D.carbon footprint

• A

• B

• C

• D

.The medical authorities warned everyone not to drink the water without _______it.

A.being boiled.         ​B.boiling                         C.having boiled.      ​D.having to boil

• A

• B

• C

• D