Hewas______towithdrawfromrunningforthepresidency.
A、trusted
B、credited
C、convinced
D、believed
A、1000g
B、1500g
C、2000g
D、2500g
Theprofessoraskedaquestion,andDavid________agoodanswer.
A、putupwith
B、stoodupfor
C、cameupwith
D、lookeddownupon
A、预防脱水
B、新生儿
C、轻度脱水
D、以上都不对
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、that
B、this
C、what
D、which