舒畅时个恬静的女孩,她平时最大的爱好是什么?
A.逛街
B.看书
C.跳舞
D.上网
参考答案:A
The Education Department says that school safety has set off alarm bells with frequent reports of serious
accidents______ students got injured or killed. [ ]
A. after which
B. in which
C. by which
D. for which
中国经济信息网2008年3月25日电,我国首台拥有自主知识产权的12000米超深钻机日前在川西海相科学探索井(四川省绵竹市孝德镇)川科1井上安装调试成功,并正式投入使用。据此结合所学知识回答:
此次科学钻井的最大深度位于()
A.地幔
B.地壳
C.地核
D.软流层