半导体掺杂

阅读下面的文字，完成1—4题                    

　　子曰：“学而时习之，不亦说乎？有朋自远方来，不亦乐乎？人不知而不愠，不亦君子乎？”

　　子曰：“温故而知新，可以为师矣。”

　　子曰：“学而不思则罔，思而不学则殆。”

　　子贡问曰：“孔文子何以谓之‘文’也？”子曰：“  敏而好学，不耻下问，是以谓之‘文’也。”

　　子曰：“默而识之，学而不厌，诲人不倦，何有于  我哉？”

　　子曰：“三人行，必有我师焉；择其善者而从 之，其不善者而改之。”

1．写出课文中的成语。（至少三个）

__________________________________________________    

2．翻译下面的句子。

（1）默而识之，学而不厌，诲人不倦，何有于我哉？

__________________________________________________

（2）三人行，必有我师焉；择其善者而从之，其不善者而改之。

__________________________________________________     

3．下面一句话的意思与课文中的哪句话意思相近？写下来并谈谈你从中受到的启示。     

不患人之不己知，患不知人也。（患：担心。）     

___________________________________________________

4．第（一）则用了什么修辞手法？写了哪几个方面的内容？    

____________________________________________________

在盛有稀硫酸的烧杯中，分别加入下列物质，最终只存在无色液体的是（　　）

A．BaCl₂溶液、NaOH溶液

B．CuO粉末、Na₂SO₄溶液

C．Fe₂（SO₄）₃溶液、NaNO₃溶液

D．Na₂CO₃溶液、KOH溶液

问卷法是以口头的形式进行调查的一种方法。

A project management technique that is currently in widespread use is the (71) . The purpose of this technique is to detail, in hierarchical fashion, all of the activities that are required to meet project objectives. There are some special activities called (72) , which are events that signify the accomplishment or completion of major deliverables during the project. Most system development methodologies also provide (73) , whose purpose is to contain the various pieces of relevant information - feasibility assessments, schedules, needs analysis, and so forth - in a single place so that they can be presented to project clients and other related parties. Several types of important network diagrams are used in project management. (74) was developed to make clear the interdependence between project tasks before those tasks are scheduled． (75) offers the advantage of clearly showing overlapping tasks.

A．Network Diagram

B．CPM

C．Gantt chart

D．PERT

该图示意日本本州岛部分地区樱花初放日期。完成下题。

导致P地樱花初放日期比M，N地晚的主要因素是（）

A.地形

B.洋流

C.太阳辐射

D降水