When [图], the slope is the deepest....

When is the density of the water required to be logged in the logbook of a ship?

A.Any time the vessel moves from water of one density into waters of a different density

B.Prior to getting underway when the vessel is floating in fresh or brackish water

C.Only when the vessel moves from fresh water into salt water

D.The density of the water is not required to be logged in the unofficial logbook

1. When it was wretched weather, _______ is the routine of Pip, on which he could spend many hours a day. 2. Having recognized the visitor, Pip offered a hot rum-and-water to him, and Pip was amazed to find _________ in the eyes of the man. 3. When the man received the two one-pound notes, he ________ them at the lamp. 4. After revealing his own identity as patron, the man also manifested his motivation for support that the thought of making __________ comforted him. 5. Having settled the convict to sleep, Pip felt the sharpest and deepest pain, realizing his own loss of ____________, which should have been derived from Joe and Biddy.

The part of the environmental movement that draws my firm's attention is the design of cities, buildings and products. When we designed America's first so-called“green” office building in New York two decades【C1】______, we felt very alone. But today, thousands of people come to green building conferences, and the【C2】______that buildings can be good for people and the environment will be increasingly influential in years to【C3】______

Back in 1984 we discovered that most manufactured products for decoration weren't designed for【C4】______use. The“energy- efficient”sealed commercial buildings constructed after the 1970s energy crisis【C5】______indoor air quality problems caused by materials such as paint, wall covering and carpet. So for 20 years, we've been focusing on these materials【C6】______to the molecules, looking for ways to make them【C7】______for people and the planet.

Home builders can now use materials- such as paints that release significantly【C8】______amounts of organic compounds-that don't【C9】______the quality of the air, water, or soil. Ultimately,【C10】______, our basic design strategy is focused not simply on being “less bad” but on creating【C11】______healthful materials that can be either safely returned to the soil【C12】______reused by industry again and again. As a matter of【C13】______, the world's largest carpet manufacturer has already【C14】______a carpet that is fully and safely recyclable(可循环利用).

Look at it this way: No one【C15】______out to create a building that destroys the planet. But our current industrial systems are【C16】______causing these conditions, whether we like it or not. So【C17】______of simply trying to reduce the damage, we are【C18】______a positive approach. We're giving people high-quality, healthful products and an opportunity to make choices that have a【C19】______effect on the world.

It's not just the building industry, either.【C20】______cities are taking these environmentally positive approaches to design, planning and building. Portland, Seattle and Boston have said they want to be green cities. Chicago wants to be the greenest city in the world.

【C1】

A．off

B．away

C．before

D．ago

When was the UN established?( )

A、1944

B、1945

C、1946

D、1947

When is the end of the lifespan of a job?

When the steering wheel is turned, oil is directed to the steering gear rams by .

A.modulating the oil flow with the six-way valve

B.moving the automatic pressure differential valve

C.moving the receiving telemotor which regulates the tow-way valve

D.varying the eccentricity of a floating ting or angle of a tilting box

The studentssked ____.when is the sports meeting going to be heldB．when the sports meeting is goThe studentssked ____.when is the sports meeting going to be held B．when the sports meeting is going to be held C．if ws the sports meeting going to be held D．if the sports meeting ws going to be held

A．when is the sports meeting going to be held

B．when the sports meeting is going to be held

C．if was the sports meeting going to be hel

D．if the sports meeting was going to be held