I.    Choose a word in each line that has different stress pattern.

      1.   A. atmosphere             B. plentiful                  C. effective                 D. natural

      2.   A. unfortunate            B. continuous              C. renewable               D. artificial

      3.   A. recommend            B. abundant                C. solution                   D. increasing

      4.   A improvement           B. different                 C. develop                   D. enormous

      5.   A. seriously                 B. personally               C. carefully                 D. correctly

II.  Find the word which has a different sound in the underlined part.

      1.   A. hydroelectric          B. environment           C. solar                        D. biogas

      2.   A. pleasure                  B. feed                        C. heat                         D. meat

      3.   A. plentiful                  B. electric                    C. renewable               D. energy

      4.   A. few                         B. knew                       C. new                         D. sew

      5.   A. nuclear                    B. truck                       C. abundant                D. dump

I.Choose a word in each line that has different stress pattern.

1.A. atmosphere                   B. plentiful                C. effective               D. natural

2.A. constancy                      B. sympathy              C. generous               D. suspicious

3.A. unfortunate                   B. continuous           C. renewable             D. artificial

4.A. recommend                   B. abundant               C. solution                 D. increasing

5.A. confident                       B. memorable           C. excited                  D. interested

6.A. motorbike                     B. generate                C. advantage             D. atmosphere

7.A improvement                 B. different                C. develop                 D. enormous

8.A. seriously                       B. personally            C. carefully               D. correctly

Bài 1. Choose the word in each line that has a different stress pattern.
1. A. effective B. natural C. atmosphere D. plentiful
2. A. solution B. increasing C. recommend D. abundant
3. A. develop B. enormous C. improvement D. different
4. A. energy B. volunteer C. dangerous D. countryside
5. A. referee B. cigarette C. interfere D. convenient
6. A. excellent B. marvelous C. familiar D. similar
7. A. musician B. scientist C. energy D. biogas
8. A. abundant B. wonderful C. convenient D. important
9. A. excellent B. dangerous C. plentiful D. polluting
10. A. exercise B. calendar C. travelling D. convenience