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问题 单项选择题

实施义务教育的普通学校应当接收具有接受普通教育能力的残疾适龄儿童、少年()。

A．单独设班

B．随班就读

C．混合编班

D．均分到班

答案

参考答案：B

解析：实施义务教育的普通学校应当接收具有接受普通教育能力的残疾适龄儿童、少年随班就读。

单项选择题

关于NK细胞的生物学作用，下列叙述中哪项是错误的（）

A.对肿瘤细胞和病毒感染细胞的杀伤可通过两种机制：直接接触和ADCC

B.杀伤作用主要是特异性的

C.抗感染免疫效应发生于T细胞介导的特异性免疫应答建立之前

D.在抗病毒感染早期起重要作用

E.与CTL相类似，通过释放毒性蛋白穿孔素和颗粒酶致细胞裂解或凋亡
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单项选择题

Extreme Programming (XP) is a discipline of software development with (71) of simplicity, communication, feedback and courage. Successful software development is a team effort-not just the development team, but the larger team consisting of customer, management and developers. XP is a simple process that brings these people together and helps them to succeed together. XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location. The principles of XP apply to any (72) project that needs to deliver quality software rapidly and flexibly.

An XP project needs a(an) (73) customer to provide guidance. Customers, programmers, managers, are all working (74) to build the system that’s neede

D．Customers-those who have software that needs to be developed-willleam simple, effective ways to (75) what they need, to be sure that they are getting what they need, and to steer the project to success.

（75）（）

A．tell

B．know

C．communicate

D．feedback
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