His roommates were invited to dinner because______.
A. they were more sociable than Blake
Blake had to write to earn a living
C. they were offered some work to do
D. they still had some money in them
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The author is concerned with ______.
A. analyzing the psychology of children having difficulties to make friends
B. explaining why some children can't make friends successfully
C. introducing how to instruct children to make friends
D. illustrating the role of parents to help children make friends
根据对商业银行内部评级法依赖程度的不同，内部评级法分为初级法和高级法两种。对于非零售暴露，两种评级法都必须估计的风险因素是违约概率。 ()
A. 正确
B. 错误
A．inB．toC．atD．from
A. in
B. to
C. at
D. from
I admit that I have been careless on some occasions but you should not______ fault with me
A. search
B. seek
C. find
D. pursue
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