The next thing he saw was smoke ________

第一节单词拼写(根据所给单词汉语意思在后面横线上写出单词的恰当形式，每小题1分，满分10分)

小题1:The goods were damaged during         . (运输)

小题2:After the earthquake, the famous building was in         . (废墟)

小题3:The report is          (以…为依据) on figures from six different cities.

小题4:Everyone is born          (平等的)。

小题5:He has all the         (品质)of a successful businessman.

小题6:Can you stretch your arms out          (笔直地)？

小题7:The rain stopped them from eating         . (在户外)

小题8:I          (认出) him as soon as he came in the room.

小题9:He is still          (康复) from his operation.

小题10:He is always easily          (劝说).

若带正电荷的小球只受到电场力的作用，则它在任意一段时间内[ ]

A、一定沿电场线由高电势处向低电势处运动

B、一定沿电场线由低电势处向高电势处运动

C、不一定沿电场线运动，但一定由高电势处向低电势处运动

D、不一定沿电场线运动，也不一定由高电势处向低电势处运动

封闭楼梯间、烟楼梯间与走道之间的压差为（）。

A.25～35Pa

B.35～45Pa

C.40～50Pa

D.45～55Pa

甲将一批货物卖给乙，约定由丙付款，当甲请求丙付款时，如甲并未将货物交付于乙，丙则享有

A．先诉抗辩权

B．不安抗辩权

C．先履行抗辩权

D．同时履行抗辩权

结垢微粒的分散运移和矿物颗粒溶蚀是三元体系对油层天然岩心伤害主要（）。

A、原因

B、机理

C、因素

D、条件