李华同学因在班上排名靠后,为了改变自己在班上的排名暗暗地努力学习,这样的学习动机属于()。
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1n which sector is little job growth seen?
[A] Restaurants and hotels.
[B] Manufacturing.
[C] Health care and hospitals.
[D] Business services.
何谓同配性别和异配性别,在XX—XY和ZZ—ZW两种性别决定中有何不同?
[A] Another
[B] One other
[C] Other
[D] Other one