支撑跳跃通常由()、()、()、第一腾空、推手、第二腾空、落地七个阶段组成。
参考答案:助跑;上板;踏跳
He felt lonely in the first month abroad, but after some time he got ______ alone and even enjoyed ______ there. [ ]
A. used to living; to study
B. used to five; studying
C. used to living; studying
D. used to live; to study
香港、澳门面积不断扩大的最主要方式是[ ]
A.填海造地
B.地壳运动
C.泥沙淤积
D.军事扩张