堤顶和堤坡上堆放重物过多(附加荷载大),可导致()增大。
A.坡度
B.滑动力
C.抗滑力
D.稳定安全系数
参考答案:B
用所给词的适当形式填空(必要时可加助动词).
小题1:__________(that)girls are Amy’s sisters.
小题2:That is __________(she)father.
小题3:What’s __________(you)last name?
小题4:These __________(picture)a他while and black.
小题5:Here __________(be)Mona’s keys.
小题6:_________ (do)she have a dictionary?
小题7:Ed.Smith__________(have)7 basketballs and 8 tennis rackets.
小题8:Let us ________ (join)the school sport club.
小题9:__________(Linda)father and mother are in the school.
小题10:________ (be)she your grandmother?
If you do not know the subject, you will not understand what is said or written, even if English is your mother () what is said or written.
A.speaking
B.language
C.saying
D.tongue