下列山脉中,既是我国地势阶梯界线,又是省区界线的是[ ] A.秦岭 B.大兴安岭

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问题:

下列山脉中,既是我国地势阶梯界线,又是省区界线的是[ ]

A.秦岭

B.大兴安岭

C.武夷山

D.太行山

考点:中国的地形地势
题型:选择题

北极熊体色为白色,这是它对环境的[ ]

A.影响

B.适应

C.改变

D.影响和适应

题型:选择题

合格认证和安全认证是独立的,没有获得合格认证的产品可以获得安全认证。()

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Dorothy Brown was very happy as she sat in the theatre listening to the music. Today her little daughter Lauren was giving her ___1___ concert. She had been waiting for this __2__ for years and years. “Now it is here at last,” she thought. “How beautiful her ___3___ is.”

The song made her ___4___ to the days when she was Lauren’s ___5___. As a young ___6___, Dorothy wanted to be a concert singer. She studied ___7___ in France, Italy and in the United States. “You can become a fine ___8___ in the future,” her teachers told her. “But you must be ___9___ to study hard and work for many years. There will be ___10___ time for anything but music in your life.”

Dorothy was ___11___ at that time and she was ___12___ that music was all she wanted or needed to ___13___ her life. For almost a year Dorothy  ___14___  of nothing else. Then she ___15___ David,  a young engineer traveling Europe. They soon fell in ___16___. David asked her to be his ___17___. Dorothy also wanted to marry David. But she loved ___18___, too. She didn’t know what to do. David was against her being a singer. He said, “If you want to be a singer, you must forget about getting married. You can’t ___19___ do both.” Thus her days were gone and would never return.

Now Lauren became a singer instead of her, which was her ___20___.

1. A. sorry                       B. successful             C. first                      D. wonderful

2. A. dance                      B. moment                C. show                    D. party

3. A. voice                       B. face                      C. dress                    D. life

4. A. think of                   B. bring back            C. go back                D. come back

5. A. age                          B. friend                   C. mother                 D. teacher

6. A. musician                  B. pop star                C. lady                     D. girl

7. A. French                     B. music                   C. piano                    D. dance

8. A. actress                     B. student                 C. singer                   D. dancer

9. A. prepared                  B. learning                C. driven                  D. waiting

10. A. some                     B. any                      C. no                      D. enough

11. A. eight                      B. eighteen                C. eighty                   D. eighty-eight

12. A. lucky                     B. sure                      C. afraid                   D. fond

13. A. fill                        B. live                      C. lead                      D. take

14. A. heard                     B. knew                    C. talked                   D. thought

15. A. saw off                 B. learned from         C. heard of               D. met with

16. A. love                       B. feeling                  C. music                   D. touch

17. A. assistant                 B. teacher                 C. wife                     D. student

18. A. him                       B. engineering           C. herself                  D. music

19. A. certainly                B. possibly                C. only                     D. mainly

20. A. thought          B. hope                   C. purpose                D. will

题型:选择题

在成产物流的控制中,核心是()

A、生产控制

B、在制品控制

C、效益控制

D、进速控制

题型:选择题

康复是指应用各种有用的措施以减轻残疾的影响和使残疾人重返社会。()

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