【单选题】发包人在收到竣工结算报告及结算资料后( )天内不支付工程竣工结算价款,承包人可以与发包人协议将工程折价。
【简答题】按规定的画法绘制螺纹的主、左视图。 (1)外螺纹:大径M20、螺纹长30mm、螺杆长画40mm后断开,螺纹倒角C2。 (2)内螺纹:大径M20、螺纹长30mm、孔深40mm,螺纹倒角C2。
【单选题】与投影面倾斜角度小于或等于30°的圆或圆弧,其投影( )
【判断题】与投影面倾角小于或等于30度的圆或圆弧,其投影可以用圆或圆弧代替。
【判断题】与投影面倾角小于或等于30度的圆或圆弧,其投影可以用圆或圆弧代替。
【单选题】关于税务机关票证上下级关系,以下说法正确的是()
【单选题】From the second paragraph, we can infer that the major reason for road hazards is that
A.
the global positioning system is not advanced enough.
B.
the volume of freight traffic on the roads is too heavy.
C.
the bigger truckers are not so flexible and efficient.
D.
the trucks and tunnels are too heavily loaded.
【判断题】独立基础代号BJJ表示阶梯形普通独立基础。( )
【判断题】To avoid hazards, there is a strong need for written rules, regulations and laws in cultures with high uncertainty avoidance.A. √ B. ╳