为了提高热电偶测温精度，在使用时可延长偶丝来实现。

中国证监会对投资银行业务的非现场检查包括证券公司应向（）报送年度报告。

A.证券交易所

B.中国证券业协会

C.中国证监会

D.中国证券登记结算公司

—I regret _____ you that Mary was badly injured in the accident.

—I can hardly believe my eyes. She is always so careful.

A．informing

B．having informed

C．to inform

D．to have informed

鼓动的原因是中间部分纤维比周边的纤维（），即通常说的中间“松”，四周“紧”

No matter how I tried to read it , the sentence didn’t       to me .

A．make out

B．make up

C．make sense

D．make a difference

汽缸的热偏差