Biểu thị các số sau đây dưới dạng phân số tối giản với đơn vị là:

a) Mét:4dm; 32cm; 150mm;

b) Mét vuông: 22 d m 2 ; 420 c m 2 ;

c) Mét khối: 666 d m 3 .

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 25 to 29.

The knock-on effect of volunteering on the lives of individuals can be profound. Voluntary work helps foster independence and imparts the ability to deal with different situations, often simultaneously, thus teaching people how to (25)______ their way through different systems. It therefore brings people into touch with the real world; and, hence, equips them for the future.

Initially, young adults in their late teens might not seem to have the expertise or knowledge to impart to others that say a teacher or an agriculturalist or a nurse would have, (26) ______ they do have many skills that can help others. And in the absence of any particular talent, their energy and enthusiasm can be harnessed for the benefit (27) ______ their fellow human beings, and ultimately themselves. From all this, the gain to any community no matter how many volunteers are involved is (28) ______.

Employers will generally look favorably on people (29) ______ have shown an ability to work as part of a team. It demonstrates a willingness to learn and an independent spirit, which would be desirable qualities in any employee.

Điền vào ô 28.

A. impassable

B. unattainable

C. undetectable

D. immeasurable 

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

I’m sorry I can’t come out this weekend – I’m up to my ears in work

A. very busy

B. very bored

C. very scared

D. very idle