【单选题】If we had taken such effective measures much earlier, the river ________ so seriously now.
D.
would not have been polluted
【多选题】有关眶底爆折正确的是
A.
眼部受钝器伤,眼内压骤增,使眶底骨折,眼内软组织疝入上颌窦内
【单选题】What is the student's opinion of the falcon program?
A.
It is not as effective as shooting problem birds.
B.
It should be discontinued because it is too expensive.
C.
It is a good opportunity to promote peregrine falcons as pets.
D.
It is interesting because it uses biology to solve a problem.
【单选题】虽然冯老师是一位经验丰 富的老教师,但是冯老师也会时不时地去听优秀年轻新教师的课 ,并在实践中完善自己的教学方法,这体现了冯老师注重( )。
【多选题】眶底爆折可有
A.
眼部受钝器伤,眼内压骤增,使眶底骨折,眼内软组织疝人上颌窦内
【单选题】安装后轮双胎时,下列说法正确的是
B.
在安装过程中,用千斤顶一次顶起车桥,安装内外两车轮。
【简答题】网络规划时应遵循[填空(1)]的思想,以简化网络的构建。