自由面越多,爆破破碎越容易,爆破效果也()。 A.越差 B.越坏 C.越容易 D.越

题型:单项选择题

问题:

自由面越多,爆破破碎越容易,爆破效果也()。

A.越差

B.越坏

C.越容易

D.越好

考点:爆破工程师考试爆破安全技术爆破安全技术题库
题型:单项选择题
已知函数f(x)=cos2x+2
3
sinxcosx-sin2x

(I)求f(x)的最小正周期和值域;
(II)在△ABC中,角A,B,C所对的边分别是a,b,c,若f(
A
2
)=2
且a2=bc,试判断△ABC的形状.
题型:单项选择题

胸腰部前屈后伸活动度测量方法错误的是()

A.体位可以是立位

B.体位可以是坐位

C.轴心在第5腰椎棘突

D.固定臂通过第4腰椎棘突连线

E.移动臂为第7颈椎与第5腰椎棘突连线

题型:单项选择题

Tracy Wong is a well-known Chinese-American writer. But her writing __1__ was something she picked up by herself. After her first__2__, teaching disabled children, she became a part-time writer for IBM. __3__, writing stories was simply a __4__ interest. Tracy sent three of her stories to a publisher (出版商). __5__, they immediately suggested that she put them together to make a single one long __6__ and paid Tracy a $ 15,000 advance. “A pretty money,” said the publisher, “for __7__ writer.”

__8__ Tracy’s characters (人物) are interesting, her stories sometimes __9__ readers uneasy: those about the supernatural. “My mother believed I could __10__ the afterlife world,” she told a close friend. “She used to have me speak with my grandmother, who died many years ago.”

“Can I? I don’t think I can,” Tracy said with a laugh. “But I do have __11__ when things come to me __12__. “Once, she was wondering how to complete a __13__ set in ancient (古代的) China. __14__ the doorbell rang. It was a FedEx delivery man, with a copy of a book on Chinese __15__. It came without her having __16__ it.

Though she has published 45 books, Tracy has remained __17__ by her fame. She lives in the same __18__ she lived 27 years ago -- although in a more comfortable home. There’s more room for __19__ in her life -- and it wasn’t just __ 20__.

1. A. skill   B. experience     C. practice D. method

2. A. duty     B. effort    C. job      D. task

3. A. Instead   B. Normally  C. Certainly     D. Then

4. A. general    B. deep      C. personal    D. lively

5. A. Interested   B. Anxiously   C. Seriously  D. Encouraged

6. A. film       B. story  C. program   D. article

7. A. a foreign   B. a popular   C. an unusual   D. an unknown

8. A. Now that    B. Even though  C. Just because  D. Except that

9. A. find   B. turn      C. leave    D. hold

10. A. make up    B. connect with    C. control    D. explain

11. A. events     B. chances    C. feelings    D. moments

12. A. for no reason  B. from a distance 

C. by accident D. as gifts

13. A. description   B. pointing     C. scene   D. talk

14. A. Surprisingly   B. Suddenly

C. Expectedly    D. Fortunately

15. A. cooking    B. history   C. play    D. medicine

16. A. known     B. sent     C. realized   D. ordered       

17. A. unchanged  B. excited   C. determined  D. unmoved     

18. A. life   B. city       C. house     D. way

19. A. success    B. work      C. joy  D. variety

20. A. writing  B. reporting    C. luck   D. fun

题型:单项选择题

下列选项中,不属于基金投资所面临的内部风险的是( )。

A.管理人的合规风险
B.管理水平风险
C.职业道德风险
D.经营风险

题型:单项选择题

气相色谱仪经常检测白酒中的()成分。

A、氨基酸组成分

B、无机金属离子

C、不挥发组成分

D、挥发性香气成分

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