[单选题] 生产经营单位的主要负责人未履行本法规定的安全生产管理职责，导致发生生产安全事故的，由应急管理部门依照下列规定处以罚款:发生重大事故的，处上一年年收入（ ) 的罚款。
A.百分之四十
B.百分之六十
C.百分之八十
D.百分之一百

The life of Albert Einstein is a model in many ways (31) both natural and political scientists.
First of all, he always employed the scientific method of (32) truth from facts. He firmly believed, (33) he put it, that "there is nothing incomprehensible (34) the universe", and through painstaking work explained many of the phenomena thought to be "incomprehensible" in his day. Einstein was also never afraid to (35) mistakes when facts (36) his theories wrong.
Second, Einstein’s contributions showed the great importance of theoretical work to scientific effort. (37) he himself rarely worked in laboratories, the concepts he developed led (38) many of the scientific advances (39) have shaped modern technology.
Third, Einstein believed very deeply that scientists must (40) a moral and social consciousness. (41) this way, he provided inspi

"Down-to-earth" means someone or something that is honest, realistic and easy to deal with. It is a pleasure to find (31) who is down-to-earth. A person who is down-to-earth is easy to talk (32) and accepts other people as equals. A down-to-earth person is just the (33) of someone who acts important or proud.
Down-to-earth persons may be (34) members of society, of course. But they do not let their importance " (35) to their heads". They do not consider themselves to be better persons than (36) of less importance. Someone who is filled with his own importance and pride, (37) without cause, is said to have "his nose in the air". There is (38) way a person with his nose in the air can be down-to-earth.
Americans (39) another expression that means almost the same as "down-to-earth". The expression is "both-feet-on-the-ground". Someone