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问题 判断题

受限空间与其他系统连通的管道应采用有效的隔离措施，管道安全隔离应采用插入盲板或拆除一段管道进行隔离，可以采用水封或关闭阀门进行隔离。（）

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（2009年）一个口袋子中装有7个红球和3个白球，这些球除颜色外完全相同，一次从中摸出两个球，这两个球颜色不同的概率是______．（用数字作答）
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选择方框内适当的单词或词组。每个单词、词组只能用一次。
date of birth, Chinese, how old,  Susan's birthday,
game, music, May, nineteenth, March, fourteen
1.—__________ is Li Lei's mother?
  —She's thirty-three
2. Mother's Day is the second Sunday of__________.
3. Eighteen boys are in the classroom You are the__________ one.
4. —What's your__________?
    —It's July 22nd.
5. We go to__________ party this Sunday
6. Lei's go to the soccer__________ on May 15th.
7. Many__________ people have English names
8. __________ 12th is Tree Planting Day (植树节)
9. Lisa is__________ and her brother is ten years old.
10. My sister doesn't like sports,but she likes__________.
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