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【简答题】
A．We should cat more meat than vegetables. B．We should cat more vegetables than meat. C．We should cat different kinds of vegetables. D．We should cat fruit, cereals, fish, meat and vegetables.
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举一反三
【单选题】组织学上可将角膜分为5层，由前向后依次为：（）。
A.
上皮细胞层、前弹力层、基质层、内皮细胞、层后弹力层
B.
内皮细胞层、上皮细胞层、前弹力层、基质层、后弹力层
C.
上皮细胞层、前弹力层、基质层、后弹力层、内皮细胞层
D.
上皮细胞层、内皮细胞层、前弹力层、基质层、后弹力层
【简答题】请简述一下连环替代法的运算程序。
【单选题】听力原文：W：I decide to speak to my boss's mother about my problems at work rather than go directly to the boss． M：That is certainly an unusual way of handing the situation，but it may bring good results． Q...
A.
She will go directly to the boss with her problems.
B.
She will keep the problems by herself.
C.
She will let her mother speak to the boss about her problems.
D.
She will tell her boss's mother about the problems.
【单选题】听力原文：W: I decide to speak to my boss's mother about my problems at work rather than to say directly to the boss. M: That is certainly an unusual way of handling the situation, but it may bring good re...
A.
By keeping the problems by herself.
B.
By going directly to the boss with her problems.
C.
By telling her boss's mother about the problems.
D.
By letting her mother speak to the boss about her problems.
【单选题】有关角膜的发育，错误的是
A.
前部中胚叶细胞形成角膜内皮细胞层
B.
后弹力膜由内皮细胞层分泌而来
C.
前弹力膜由基质层浅层分泌而来
D.
出生时角膜上皮已发育为5层
E.
胚胎3个月时神经纤维进入角膜
【简答题】角膜由上皮细胞层、前弹力层、__________、后弹力层、内皮细胞层五层组成。
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