Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

1. I got the teaching job in the Happy Child Charity Centre just by chance.

A. accidentally         B. purposefully        C. easily                     D. immediately

2. Every month, the volunteer group go to remote and mountainous areas to help those in need.

A. empty                    B. far-away               C. crowded                D. poor

3. Mother Teresa devoted herself to caring for the sick and the poor.

A. spent                     B. contributed                       C. gave up                 D. dedicated

4. Our top priority is to clean and protect the environment in our neighbourhood.

A. hobby                    B. job                         C. preference            D. idea

5. Young people are now getting more and more concerned about environmental problems.

A. worried                 B. nervous                 C. hopeless                D. uneasy

Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

1. Many people who do volunteer work think they are more fortunate than others.

A. lucky                     B. blessed                  C. unlucky                 D. uncomfortable

2. Public service announcement is a special advertisement for the community, normally about health or safety matters.

A. Open                     B. Private                   C. Secret                    D. Popular

3. Economically disadvantaged students often drop out of school, choosing a low- paying job to earn money.

A. leave                     B. attend                    C. accept                    D. reject

4. We are looking for camp helpers who are hard-working, energetic, and able to organise activities for young children.

A. active                    B. dynamic                C. passive                  D. reluctant

5. Volunteering also means getting to meet people with a similar passion.

A. alike                      B. identical                C. common                D. distinct

 Indicate the correct answer A, B, C or D

1. Many international volunteer organisations are trying to find a _________ to the problem of

world hunger.

A. way                                 B. method                      C. suggestion                 D. solution

2. Thanks to everyone’s efforts, we can do __________ to make school a meaningful place for

students living in poverty.

A. a great many                  B. a little                        C. a great deal               D. a few

3. Both community ________ and volunteerism are an investment in our community and the peopple who live in it.

A. service                           B. life                              C. language                    D. performance

4. I particularly have a(n)                interest in working with children.

A. interesting                     B. interested                  C. passion                      D. passionate

5. ___________ also helped to set up and arrange two retail stalls, selling the products to visitors.

A. Volunteer                      B. Volunteers                C. Volunteering            D. Voluntary

6. He’s a (n) _______ person. He believes that only those who are economically better off should do charitable work.

A. narrow-minded             B. selfish                        C. considerate               D. indecisive

7. You can ____ books, clothes, medicine and money to this charity.

A. donor                              B. donate                        C. devote                       D. dedicate

8. Fundraising for charity is a __________ thing for everyone to do to help the community.

A. meant                             B. meaningful                C. meaningless              D. meaning

9. Volunteers For Peace Viet Nam (VPV) is a __________, non-governmental organization that

was founded in 2005 to provide help and education to people in both urban and rural Viet Nam.

A. profit                              B. profitable                  C. non-profit                 D. non-profitable

10. This charity provides financial support and mental comfort to ____ children.

A. advantaged                    B. disadvantaged          C. advantageous           D. disadvantageous

11. Life is sometimes very harsh for ____ families in big cities.

A. lowly-income               B. low-income               C. highly-income          D. high-income

12. The local government provides financial support to the children of ____ parents.

A. needful                          B. needed                       C. need                            D. needy

13. Teaching English is a great example of a volunteer job that often              a career.

A. leads                               B. leads up                     C. turns                          D. turns into

14. My mother __________ her old warm clothes to street children in the winter.

A. refused                           B. donated                     C. had                             D. bought

15. “                your country can do for you                       you can do for your country.” (from John Kennedy’s inaugural address).

A. Don’t ask what - ask what                                   B. Ask what - don’t ask what

C. Ask not what - ask what                                      D. Ask what not - ask what

I. Choose the word that has the underlined part pronounced differently from the others.

1.      A. become                      B. second                       C. because                          D. receive

2.      A. introduce                  B. position                     C. volunteer                       D. ignorant

3.      A. community               B. surprising                  C. successful                     D. volunteer

4.      A. archaeology              B. market                       C. martyr                            D. donation

5.      A. facility                       B. community                C. priority                          D. definition

II. Choose the word which is stressed differently from the rest.

1.      A. referee                       B. volunteer                   C. committee                     D. engineer

2.      A. priority                      B. voluntary                  C. community                    D. ability

3.      A. interact                      B. understand                C. volunteer                       D. contribute

4.      A. disabled                    B. invalid                       C. obvious                          D. creative

5.      A. position                     B. handicapped             C. passionate                     D. cultural

UNIT 5

I. Choose the word that has the underlined part pronounced differently from the others.

1.      A. benefit                          B. generous                     C. inventor                    D. video

2.      A. chopping                      B. much                           C. machine                    D. touching

3.      A. inspiration                   B. imitation                     C. invention                  D. addition

4.      A. experience                   B. dedicated                    C. enthusiast                 D. expensive

5.      A. earbud                          B. surface                        C. bulky                         D. runway

II. Choose the word which is stressed differently from the rest.

1.      A. environment                B. agriculture                  C. invention                  D. alternative

2.      A. traffic                           B. promise                       C. smartphone               D. design

3.      A. invention                     B. definition                    C. education                  D. information

4.      A. technology                   B. excursion                    C. similarity                  D. convenient

5.      A. printer                          B. laptop                          C. machine                    D. fabric

em hãy đề xuất một phương án thí nghiệm để đo độ lớn của lực ma sát trượt 

lực ma sát trượt có chiều như thế nào so với chiều chuyển động của vật

chúng ta luôn nghĩ lực ma sát là có hai vì nó là nguyên nhân cản trở mọi chuyển động , em nghĩ như thế nào về vấn đề này ? Nếu Trái Đất không có lực ma sát thì sẽ như thế nào ? Nó sẽ gây ra hậu quả gì?

Đâu không phải nguyên nhân khiến nhiệt độ không khí ở tầng đối lưu của khí quyển ngày càng tăng?

A. Lượng khí CO₂ thải ra môi trường ngày càng nhiều.

B. Thảm thực vật rừng bị tàn phá nghiêm trọng.

C. Không khí ô nhiễm ngày càng nặng, bụi khí quyển càng nhiều.

D. Hiện tượng hạn hán xảy ra ngày càng nhiều, cường độ mạnh.