【单选题】It is mentioned the passage that one has to pay tax according to _______ .
A.
how much education one has received
B.
whether one is single or married
C.
how old one’s children are
【单选题】对相同品种。不同体积密度的材料进行比较时,其体积密度大者,则其( )
【单选题】对相同品种,不同体积密度的材料进行比较时,其体积密度大者,则其( )
【判断题】在过失原则下,举证责任一般由原告承担,原告必须证明被告是有过失的,其诉求才能得到主张,否则被告无需承担责任。
【单选题】He based his holiday plans on the______that his girlfriend was coming with him.
【判断题】经销、代理和寄售方式同样需要以签订协议来确定相互之间的关系。
【单选题】On the basis of their observations, scientists
A.
make more observations.
B.
develop hypothesis and theories.
C.
reveal their observations to the public.
D.
challenge their colleagues.