填空题：根据以下材料，回答题。 "Down-to-earth" means someone or something that

根据以下材料，回答题。 "Down-to-earth" means someone or something that is honest, realistic and easy to deal with. It is a pleasure tofind (31) __________who is down-to-earth. A person who is down-to-earth is easy to talk (32) __________ and acceptsother 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 impor-tance "(35)__________to their heads". They do not consider themselves to be better persons than (36)__________ofless importance. Someone who is filled with his own importance and pride, (37) __________ without cause, is said tohave "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 expressionis "both-feet-on-the-ground". Someone (40) __________both-feet-on-the-ground is a person with a good understand-ing (41)__________reality. He has what is called "common sense, " he may have dreams, (42)__________ he doesnot allow them to block his knowledge of (43) __________ is real.
The opposite kind of (44)__________ is one who has his "head-in-the-clouds". A man with his head-in-the-clouds is a dreamer (45)__________ mind is not in the real world.
(46) __________, such a dreamer can be brought back to earth.Sharp words from teacher can usually(47)__________ a day-dreaming student down-to-earth.
Usually, the person who is down-to-earth is very (48)__________to have both feet on the ground.
(49) __________ we have both our feet on the ground, when we are down-to-earth, we act honestly and openly(50)__________others. Our lives are like the ground below us, solid and strong.
第(31)__________。