为什么说土的物理性质是其最基本的工程性质？

读字标声调。

春（chun）　　朋（peng）　　心（xin）　　掠（lüe）　　暖（nuan）　　枝（zhi）

航前APU通电简要流程

简述朝鲜问题的由来。

Questions 9-13

·You will hear a passage about "Surviving Cultural Shock".
·For questions 9-13, choose from the list A-F the five stages of cultural shock.
·Use the letters only once. There is one extra letter, which you do not need to use.
9. Stage 1 ______
10. Stage 2 ______
11. Stage 3 ______
12. Stage 4 ______
13. Stage 5 ______
A. The Re-entry
B. The Rejection
C. The Acceptance
D. The Honeymoon
E. The Regression
F. The Non-Party

Questions 9-13

·You will hear a passage about "Surviving Cultural Shock".
·For questions 9-13, choose from the list A-F the five stages of cultural shock.
·Use the letters only once. There is one extra letter, which you do not need to use.
9. Stage 1 ______
10. Stage 2 ______
11. Stage 3 ______
12. Stage 4 ______
13. Stage 5 ______
A. The Re-entry
B. The Rejection
C. The Acceptance
D. The Honeymoon
E. The Regression
F. The Non-Party

下列属于谈判人员素质结构中的核心内容，并对谈判人员整体素质起着决定性作用的是（）。

A.才

B.学

C.形

D.识