【简答题】判断下列句子属于何种句型。 It cost me three dollars.
【简答题】判断下列句子属于何种句型。 Teacher will make your English better.
【单选题】Look, the little girl is dancing as if she ______ a little bird.
【单选题】欲配制pH=5.00缓冲溶液500ml,已加入6mol•L -1 HAc的34.0ml,则约需加NaAc•3H 2 O_______g。(HAc pKa=4.74):
【单选题】He had __________ little education that he couldn’t teach __________ little children.
【简答题】判断下列句子属于何种句型。 I sent you an E-mail.
【简答题】判断下列句子属于何种句型。 You can leave the door open.
【简答题】The little boy had no choice but (tell) ______ the truth.
【单选题】欲配制 pH = 5.00 的缓冲溶液 500 mL ,已用去 6 mol/L HAc 34.0 mL ,则约需加 ( )克。 HAc 的 p Ka = 4.74