同一暗挖隧道相对开挖(非爆破方法)的两开挖面距离为()倍洞跨且不小于10m时,一端应停止掘进,并保持开挖面稳定。
A.1.5
B.2.0
C.2.5
D.3.0
参考答案:B
美育就是对学生进行()。
A.审美教育
B.五讲四美教育
C.美好生活教育
D.美好思想教育
根据下面对话中的情景,在空白处填入适当的单词,使对话内容完整
A: Hello, Tim! What's this in English?
B: It is a (1)__________.
A: (2)__________ do you spell it?
B: D-I-C-T-I-O-N-A-R-Y.
A: Yes, it (3)__________.
B: Oh, is that your watch?
A: No, it isn't. It's (4)__________ watch. My watch is blue.
B: Is that baseball Linda's, too?
A: No, it isn't. The (5)__________ is Helen's.