皮皮学，免费搜题
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【单选题】
用经纬仪测水平角时,必须用 精确地瞄准标志的中心位置。A.
十字丝横丝
B.
十字丝竖丝
C.
视距丝
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】评价土壤环境质量时需要测的项目包括______、______和选测项目，其中______是必测的项目
【简答题】饭店管理公司的培训服务有全员基础培训、专业理论培训、( )培训。
【单选题】Half of the students _ to the concert given by Andy Lau. They said it was wonderful. [ ]
A.
has been
B.
has gone
C.
have gone
D.
have been
【简答题】隧道监控量测以（ ）为施工监测必测项目。
【简答题】The lecture was so (bore) ______ that half of the students fell asleep.
【单选题】Half of the students will have sports, and the rest _____ to be here in the classroom studying.A
A.
12. Half of the students will have sports, and the rest _____ to be here in the classroom studying. A．is
B.
was
C.
were
D.
are