______是教育心理学这门学科的奠基人。

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the （） of a software-intensive system. As the （） standard modeling language, the UML facilitates communication and reduces confusion among project （）. The recent standardization of UML 2.0 has further extended the language’s scope and viability. Its inherent expressiveness allows users to （） everything from enterprise information systems and distributed Web-based applications to real-time embedded systems.

The UML is not limited to modeling software. In fact, it is expressive enough to model （） systems, such as workflow in the legal system, the structure and behavior of a patient healthcare system, software engineering in aircraft combat systems, and the design of hardware.

To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML’s basic building blocks, the rules that dictate how those building blocks may be put together, and some common mechanisms that apply throughout the UML.

Its inherent expressiveness allows users to （） everything from enterprise information systems and distributed Web-based applications to real-time embedded systems.

A．model

B．code

C．test

D．modify

男性，进行性贫血，发热，骨痛。双腋下淋巴结如花生米大小，肝肋下1cm，脾肋下2cm，WBC36×10⁹/L，幼稚细胞占≥68%，Hb55g/L，PLT42×10⁹/L，骨髓增生明显活跃，原始+幼稚细胞占≥87％，这类细胞胞体大，较一致，核圆，染色质细点状均匀，核仁明显，一个或多个，胞质丰富，深蓝色，空泡较多呈蜂窝状POX（-）该病人是 （）

A.急性髓细胞白血病M3

B.急性髓细胞白血病M2

C.急性单核细胞白血病M5

D.急性淋巴细胞白血病L₂

E.急性淋巴细胞白血病L₃

“游戏是儿童最正当的行为”，是由()提出的。

A．鲁迅

B．陶行知

C．鲁兵

D．柯岩

柴油含有水分，会造成柴油机排气管（）。

A、冒白烟

B、冒黑烟

C、冒蓝烟

D、冒水

World Water Shortage

A new study warns that about thirty percent of the world’s people may not have enough water by the year 2025.
A private American organization called (1) Action International did the new study. It says (2) than three-hundred-thirty-five-million people (3) enough water now. The people live in twenty-eight (4) . Most of the countries are in Africa or the (5) East.
P-A-I researcher Robert Engelman says (6) the year 2025, about three-thousand-million people (7) lack water. At least 18 more countries are (8) to have severe water problems. The demand (9) water keeps increasing. Yet the amount of water on Earth (10) the same.
Mr. Engelman says the population in countries that lack water is (11) faster than in other parts of the world. He says (12) growth in these countries will continue to (13) .
The report says lack of water in the future may (14) in several problems. It may increase health (15) . Lack of water often means drinking (16) not safe. Mr. Engelman says there are problems (17) over the world because of diseases, such as cholera, (18) are carried in water. Lack of water may also result (19) more international conflict. Countries may have to (20) for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands, Cambodia, Syria, Sudan, and Iraq. And the report says lack of water would affect the ability of developing to improve their economies. This is because new industries often need a large amount of water when they are beginning.