在清末修筑铁路的高潮中,由中国人自行设计和施工的第一条铁路是[ ]
A.京汉铁路
B.京张铁路
C.京九铁路
D.陇海铁路
答案:B
检验小苏打溶液中是否含有纯碱可用
A.加硫酸溶液
B.加澄清的石灰水
C.氯化钙溶液
D.硫酸镁溶液
小题1:She’d like ( take) part in the sports meeting.
小题2:We ________________ ( not watch ) TV last night.
小题3:They had great fun (play) basketball yesterday afternoon.
小题4:Town Cinema has the _______________________ seats.(comfortable)
小题5:He _____________(forget) to turn off the light when he left the room.
小题6:I met some famous _________(act) in the street.
小题7: He decided __________________(work) harder in school this year.
小题8:I’m planning _________________(babysit) my little sister at home.
小题9:The good news made me ______________(feel)very happy
小题10:Dogs are too difficult _____( take) care of.