【单选题】做预算控制时,下列属于短期可控制预算的是( )
【单选题】海洋水面在周期性外力的作用下产生了周期性的升降运动称为:
【单选题】If you want to be left alone on an elevator, the best thing to do is ______.
A.
to look into another passenger's eyes
B.
to avoid eye contact with other passengers
C.
to signal you are not a threat to anyone
D.
to keep a distance from other passengers
【单选题】下列疾病分别属于单基因显性遗传病、单基因隐性遗传病、多基因遗传病和染色体异常遗传病的依次是()①21体综合征②原发性高血压③糖尿病④苯丙酮尿症⑤软骨发育不全⑥并指⑦抗维生素D佝偻病⑧性腺发育不良⑨先天聋哑