试题与答案

计算(π-3)0=______;(a2)3=______;2xy•( _____

题型:填空题

题目:

计算(π-3)0=______;(a23=______;2xy•( ______)=-6x2yz.

答案:

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题型:完形填空

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3. A. names      B. numbers     C. address        D. ID cards

4. A. sister       B. mother      C. brother        D. father

5. A. is          B. isn’t        C. don’t          D. are

6. A. sister       B. brother.      C. friend         D. uncle

7. A. class       B. grade        C. school         D. classroom

8. A. at          B. in.          C. on            D. under

9. A. two        B. three        C. four          D. five

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