7. ----Sorry, Ann. I’m afraid that I can’t go to the magic show by David Copper Field with you.
----______ Who knows when he will be back here next time?
A. It doesn’t matter. B. Do as you like.
C. What a shame! D. Take it easy.
6. For him, ______ stage is just ______ means of making a living.
A. a ; a B. the ; a C. the; the D. a; the
5. worth A. worthy B. smooth C. bath D. breathe
第二节:语法和词汇知识(共15小题;每题1分,满分15分)
4. donate A. considerate B. stone C. dot D. astonish
3. news A. stove B. staff C. tension D. disease
2. abuse A. use B. insurance C. mutton D. summary
第一节:语音知识(共5小题;每小题1分,满分5分)
从A、B、C、D四个选项中,找出其划线部分与所给单词的划线部分读音相同的选项, 并标在答题卡的相应的位置。
1. empty A. toilet B. dozen C. general D. connect
13. 斜三棱柱中, 下底面是边长为2的正三角形, 顶点在下底面上的射影为的外心与的夹角为, 求此三棱柱的侧面积.
12. 如图, 在体积为1的三棱锥侧棱、、上分别取点、、, 使, 记为三平面、、的交点, 则三棱锥的体积等于
11. 如图, 已知鞭形的边长为2, 且, 将菱形沿对角线折起, 当二面角为时, 四面体的体积为 .