Talent is a __________ gift.
A. difficult
B. natural
C. necessary
查看答案
Michael Phelps has a talent for __________.
A. boxing
B. running
C. swimming
Talented people sometimes lose their advantages because __________.
A. they don’t work hard enough
B. they don’t know how to use their talents
C. they don’t really have the talents
图层的关键帧，可以直接复制到另一个有相同或者近似效果的图层上。
A. 对
B. 错
1 mol A与nmol B组成的溶液，体积为0.65dm3，当xB= 0.8时，A的偏摩尔体积VA= 0.090dm3·mol-1，那么B的偏摩尔VB 为：（ ）
A. 0.140 dm3·mol-1
B. 0.072 dm3·mol-1
C. 0.028 dm3·mol-1
D. 0.010 dm3·mol-1
微信支付 
支付宝支付