起吊大型重物需采用两台或两台以上同型号起重设备时,应按照起重能力额定起重能力的()分配载荷,且起升速度应相同。
A.70%
B.75%
C.80%
D.85%
参考答案:C
某市在城市主干路东侧一块平坦的空地上,拟建一个小区,规划实施方案如图2-5所示。请评析该方案的优缺点。(提示:不考虑相关经济技术指标问题)
It is reported that amounts of investment in the area_____________2 percent annually during he past two years.
A.have been risen
B.have been rising
C.are rising
D.are risen