对于J2精度的全站仪,如果上、下半测回角值之差绝对值不大于()″,认为观测合格。
A.8
B.10
C.12
D.14
参考答案:C
词汇填空 根据句意及首字母提示完成单词(每小题1分,共10分)
小题1:Thank you for (邀请) me to your party。
小题2:Tomorrow is Sunday, and I will be (有空)
小题3:His brother succeeded (最终)
小题4:--- What are your (爱好)? --- I like to play tennis and collect stamps.
小题5:It’s ___________(不可能的) to learn so many English words in such a short time.
小题6:Thanksgiving is always on the f Thursday in November。
小题7:When it is ready, place the turkey on a plate and c it with gravy。
小题8:I will t a holiday in Hongkong when possible。
小题9:R________ can do the same things as humans in the future.
小题10:The main d of this meal is always turkey.
企业能源管理体系建立和运行步骤?