函数y=x2-3|x-1|-1的图象与x轴不同的交点的个数共有( ) A.4个

题型:选择题

问题:

函数y=x2-3|x-1|-1的图象与x轴不同的交点的个数共有(  )

A.4个

B.3个

C.2个

D.1个

考点:二次函数的性质及应用
题型:选择题

— ______________ his name?

— His name is Zhang Peng. [ ]

A. Who's

B. What's

C. Who

题型:选择题

计算:

①(+30)+(-16)-8;

②(-1)10×2+(-2)3÷|-4|;

③9y-3(4y-2).

题型:选择题

补全对话。

Mike: Good morning , Tom, How are you?

Tom: 1.F_______, thank you . And you?

Mike: I'm fine, too. Is this your  2. p______?

Tom: Yes, it's  3.m_____ pencil.

Mike: 4.W_____ this in English?

Tom:  It's  5. a_____     old book.

Mike: And what's this?

Tom: It's a 6. d_____      

Mike: How do you 7.s_____  it?

Tom: D-I-C-T-I-O-N-A-R-Y.

Mike: Is it an 8.E_____   dictionary?

Tom: No, it's a  9.C_____   dictionary.

Mike:Very good. Oh, it's time to go home. 10.G_____.

Tom: Bye-bye.

题型:选择题

下列关于神经元的说法错误的是(  )

A.是构成神经系统的基本单位

B.其细胞体构成大脑半球的灰质

C.能接受刺激产生兴奋

D.其树突长于轴突

题型:选择题

患儿,7岁,2周前有发热、咽痛,近3天来水肿、尿少,血压120/83mmHg。尿常规:尿蛋白(++),红细胞(++)/HP,白细胞5~7个/HP,上皮细胞0~5个/HP。血常规:血红蛋白106g/L,白细胞8×109/L,N0.62,L0.38。

下列哪项检查并非必要()

A.尿培养

B.C3测定

C.ASO测定

D.ESR

E.BUN

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