“九折”的意思是( ) A.原价的90% B.比原价便宜90% C.原价的10%

题型:选择题

问题:

“九折”的意思是(  )
A.原价的90%B.比原价便宜90%
C.原价的10%
考点:百分数的意义,百分数的读法和写法
题型:选择题

下列与多倍体形成无关的是[ ]

A.染色体结构的变异

B.纺锤体的形成受到抑制

C.个别染色体增加

D.非同源染色体自由组合

题型:选择题

根据首字母及课文内容填空(每空1分,满分10分)

Yesterday, another student and I r_____小题1:________ our university’s student a______小题2:______ to meet some international students at the airport. I saw several young people look aroud c________小题3:_______ first. It was Tony from Colombia, closely followed by Julia from Britain. Tony a_________小题4:_____ Julia, touched her shoulder and kissed her on the c___小题5:_________. But Julia put up her hand in d_____小题6:_______. Then another major m______小题7:________ happened between Akira and George. When Darlene Coulon from France came d________小题8:______ through the door, he shook hands with Tony. I learn from the experience that people c______小题9:_______ with both spoken language and unspoken language. People from places like Spain and Italy are more l_____小题10:_______ to touch each other.

题型:选择题

接触职业性有害因素的劳动者是否发生职业性疾患主要取决于()。

A.接触浓度(强度)和时间

B.接触机会

C.接触方式

D.人体的健康状况

E.每次接触量

题型:选择题

下列关于进程控制的叙述中,不正确的是

A.进程控制是通过原语来实现的

B.一个进程可以使用创建原语创建一个新的进程,前者称为父进程,后者称为子进程

C.创建一个进程的主要任务是建立原语

D.撤销进程的实质是撤销PCB

题型:选择题

在制定投资政策时,应确立投资领域,并将偏离集团核心能力有效支持的投资活动排除出去。

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