当测线通过河流，沼泽和居民点等障碍时，不能设置激发点和接收点，应采用间隔连续观测系统。
参考答案：错
根据汉语或首字母提示写单词，完成句子。
1. My baseball is u _____ the chair.
2. His f _____ teacher is Miss Green.
3. When is your Chinese s _____ contest?
4. How much are these black _____ (短裤)?
5. She doesn't like salad or _____ (鸡肉).
6. What c _____ does your cousin want to join?
7. The s_____ T-shirt is thirteen dollars, but the big T-shirt is 30 dollars,
8. When is my speech _____ (竞赛)?
9. Jeff and Helen are Jim's p _____ . Jim is their son.
10. She thinks thrillers are very s _____ .
依据施工合同示范文本的规定，当发包人供应材料设备时，不正确的是( )。
A．发包人应在材料到货前24小时书面通知承包人，由双方共同清点B．清点后承包人承担材料质量和保管责任C．材料保管费应由发包人承担D．资料检验通过后不解除发包人供应材料存在的质量缺陷责任
