设ω>0,若函数f(x)=2sinωx在[-43,π4]上单调递增,则ω的取值范

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问题:

设ω>0,若函数f(x)=2sinωx在[-
4
3
π
4
]上单调递增,则ω的取值范围是______.
考点:函数y=Asin(wx+φ)的图象与性质
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A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There’s nothing wrong with her hearing. She’s just (6) you out. "

A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don’t listen to each other. Neither person (9) to the actual message sent by the other.

In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why Because they don’t believe that they listen to them. In fact, it seems that sometimes our politicians don’t even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause.

19()

A.conclude

B.to conclude

C.concluding

D.concluded

题型:填空题

下列由洗衣机所联想到的物理知识中,说法不正确的是(  )

A.将洗衣粉撒入水中,发生了扩散现象

B.洗衣机工作时将电能转化为机械能

C.衣服在洗衣机中甩干是运用了惯性现象

D.看到洗衣机外壳为蓝色,是由于洗衣机外壳吸收蓝光,反射其它色光

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某生产白酒的企业为增值税一般纳税人,月销售收入为128.7万元(含税),当期发出包装物收取押金2.34万元,当期逾期未归还包装物押金为7.02万元。该企业本期应申报的销项税额为()万元

A、18.7

B、19.04

C、19.72

D、20.06

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在理财规划中,客户的经济目标包括()

A、家庭财务保障

B、税务规划

C、投资规划

D、现金与债务管理

E、子女教育与养老投资规划

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治安行政管理工作的主要任务是打击违法犯罪,查处治安案件,组织群众治安力量,维护社会治安秩序。 ( )

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