轻度缺水时,缺水量为体重的()
A.2%~4%
B.4%~6%
C.6%~8%
D.5%
E.10%
参考答案:A
Eric didn’t feel at ____ease in the party, because he was afraid of losing ____face.
A.the; a
B.an; /
C./; the
D./; /
先学前期的年龄阶段为()
A、0-1岁
B、2-3岁
C、0-3岁
D、1-3岁