【多选题】在萜类化合物的分离中,可利用的特殊官能团有( )
【单选题】“If he does not let me use his bike, I won’t let him use my computer. ” Rewrite the sentence using the word “unless”.
A.
unless he does not let me use his bike, I won’t let him use my computer.
B.
unless he let me use his bike, I won’t let him use my computer.
C.
If he does not let me use his bike, unless I won’t let him use my computer.
D.
If he does not let me use his bike, unless I let him use my computer.
【单选题】关于通货膨胀风险下列说法正确的( )。
A.
因利率的变动导致实际报酬率(即收益率)发生变化而产生的风险
B.
指不能按一定价格及时出售证券造成投资者没有足够的现金从而丧失偿付能力的可能性
C.
由于通货膨胀使投资者收回所获取资本的实际购买能力下降的可能性
D.
指在公司运营的环境中,当对所有企业均产生影响的因素发生变化时而产生的风险,这些因素包括战争、经济周期的变化、财政政策等
【单选题】What does the man mean?
A.
He allows the woman to close the door.
B.
He doesn't let the woman close the door.
C.
He feels rather cold too.
【简答题】自然铜主要含( )。A.含水硫酸钙(CaSO42H2O)B.含水硫酸钠(Na2SO410H2O)C.二硫化铁(FeS2)D.碳酸锌(ZnCO3)A. 1 B. 1 C. 1 D. 1
【多选题】在萜类化合物的分离中,可利用的特殊官能团有( )
【单选题】Let's hope he does not bring ______ girlfriend of his!
【单选题】My father seldom let me do that, ______.
【单选题】肾脏排H+的主要机理是
C.
H+与肾小管中小管液NH3结合,形成NH4+