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【简答题】
癌症已成为我国城乡居民的首要死因。请回答下列问题: ( 1 )体外分别培养某种癌细胞和正常体细胞,癌细胞的生长表现为 ______ 的特点。在体内,癌细胞可能侵袭周围正常组织,说明癌细胞具有 ________ 的特性。 ( 2 )端粒酶是与染色体末端结构相关的一种细胞组分。表中数据显示细胞癌变可能与端粒酶的活性有关,请完成下面的探究实验: 实验目的:研究端粒酶与细胞癌变的关系。 实验材料:癌细胞,端粒酶抑制剂,细胞培养液等。 实验步骤: 1 将癌细胞分成 A 、 B 两组; 2 A 组加人端粒酶抑制剂, B 组加 入 ___________ ,进行培养; 3 ______________________________________________________ 。 结果预测及分析: _____________________________ 。 ( 3 )请根据上述内容,提出一种治疗癌症的新思路: ___________________________________________________________________ 。
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举一反三
【简答题】在段定义时，如果定位类型用户未选择，就表示是隐含类型，其隐含类型是（）。
【简答题】控制怠速进气量方法有（）和（）两种类型。
【判断题】You should unfold your napkin and fold it half before putting it on you neck.
A.
正确
B.
错误
【单选题】Choose the sentence that best express the meaning of the sentence from the text. Putting your neck on the line like this is a skill set that all employers look for in their best people.
A.
The best people are thought to be well-trained in the way of showing the neck.
B.
The best people are seen to be skillful in drawing a line on the neck.
C.
All employers expect their best people to be risk tolerant.
D.
All employers judge the skill set of the best people from the neck they put on the line.
【单选题】Putting your neck on the line like this is a skill set that all employers look for in their best people.
A.
The best prople are thought to be well-trained in the way of showing the neck.
B.
The best people are seen to be skillful in drawing a line on the neck.
C.
All employers expect their best prople to be risk tolerant.
D.
All employers judge the skill set of the best people from the neck they put on the line.
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