等外水准施测支线水准时，应进行往返观测或单程观测。（）
参考答案：错
根据汉语提示以及所提供的英语单词完成句子，并把答案填写在答题卷相应位置上。
81. ______________________________ (他日夜沉溺于网上聊天) so that his wife divorced him.
82. _____________________ (毫无疑问) this advertisement is to________________ (吸引) children.
83. ______________________________ (据说他整个上午一直都在帮忙) cooks in the kitchen all
84. morning.
85. ______________________________ (李华意识到有很多孩子辍学) because of poverty, so he gave
away his money to charities.
86. Yesterday a cyclist was knocked down at the crossroads so my father
87. _________________________________ (在上班的路上陷入交通阻塞).
原发性支气管肺癌早期最常见的表现是( )
A．刺激性咳嗽 B．胸痛C．声音嘶哑 D．锁骨上淋巴结肿大E．霍纳综合征
