根据汉语提示，完成单词，首字母已给出。1. r_________________

六、选词填空（5*1=5分）

be suitable for    put up with    even if    be opposed of     burn to the ground

71. Many old men ________________cutting down the 100-year-old tree for rebuilding a shopping center.

72. __________ there was a risk of being killed, the nurses went to save the injured in the earthquake.

73. We can’t _______________ the smell coming from the river behind our school.

74. In the fire, all his furniture was ___________________.

75. In terms of the weather, it ______________ us to go out for a picnic today.

下列哪些因素在临产时会增加心脏及循环负荷（）

A.腹壁肌收缩

B.骨盆肌收缩

C.疼痛

D.子宫收缩

E.咪达唑仑的应用

在Windows环境下，用户当前正在使用的窗口称为（）窗口。

A.活动

B.非活动

C.后台

D.切换

2011年4月26日（）在北京成立。

浮动床加入惰性树脂的目的是（）。

A、作为压实层；

B、防止碎树脂堵塞滤网；

C、配水；

D、保护树脂。