Hewasvery_____togo,buthehadnochoice.
A、ready
B、willing
C、reluctant
D、hesitant
Copernicusmaintainedthattheearth_____roundthesun.
A、moves
B、moved
C、moving
D、move
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、that
B、this
C、what
D、which
A、生后4-6个月
B、8个月-1岁
C、1-15岁
D、2-25岁
小儿腹泻出现低渗性脱水,静脉补充累积损失量时应补充()
A、1/5张含钠液
B、1/3张含钠液
C、1/2张含钠液
D、2/3张含钠液