选择题：This question is very ______to answer for us.

题目内容：

This question is very ______to answer for us. A convenient
B formal
C difficult
D formidable

参考答案：

To speak quite frankly, I’d rather you _______ in

To speak quite frankly, I’d rather you _______ in such affairs. A.don’t involve

Although she wrote a lot of short stories and poems when she was very young,[_]

人生观是对人生的根本看法和信念。其核心是（）A A.人生目的B B.人生理想C C.人生态度D D.人生意义

下列哪一项不属于古环境感应体(本题2.0分)A. 古沙丘、黄土与古土壤B. 冰芯C. 古生物D. 古生物树木年轮

衡量社会是否进步的根本标准和客观尺度是A 物质文明B 精神文明C 思想道德水平D 物质生产力的发展水平