A. Listen and circle. 听录音，圈图。
1.
2.
3.
4.
5.

B. Look and match. 看一看，连一连。
1.
2.
3.
4.
5.
book ruler pencil box pencil pen

■ C. Count and circle. 算一算，圈出正确的数字和单词。
1. 3支铅笔 + 1支铅笔 = one two three four five pencil pencils
2. 5把尺子 - 2把尺子 = one two three four five ruler rulers
3. 4支钢笔 + 1支钢笔 = one two three four five pen pens
4. + = one two three four five book books
5. + = one two three four five pencil box pencil boxes

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