边长超过( )的洞口,四周设防护栏杆,洞口下张设安全平网。
A.130cm
B.150cm
C.180cm
D.200cm
参考答案:B
-We're going to Greece for vacation.
— [ ]
A. I'm sorry to hear that.
B. I know it now.
C. Really? What a pity!
D. Have a good time!
The new tax would force companies to __________energy-saving measures.
A. adapt B. adopt C. adjust D address