[填空题]Why is it necessary for glass to cool slowly
Because this would （）.

[填空题]Why is it necessary for glass to cool slowly Because this would ___________.

[填空题] Can Business Be Cool
Why a growing number of firms are taking global warming seriously.
Companies supporting environment protection
Rupert Murdoch is no green activist. But in Pebble Beach later this summer, the annual gathering of executives of Mr Murdoch’s News Corporation--which last year led to a dramatic shift in the media conglomerate’s attitude to the Internet--will be addressed by several leading environmentalists, including a vice-president turned climate-change movie star. Last month BSkyB, a British satellitetelevision company chaired by Mr. Murdoch and run by his son, James, declared itself "carbon-neutral", having taken various steps to cut or offset its discharges of carbon into the atmosphere.
The army of corporate greens is growing fast. Late last year HSBC became the first big bank to announce that it was carbon-neutral, joining other financial institutions, including Swiss Re, a reinsurer, and Goldman

[简答题]Why is it necessary to have Incoterms

[填空题]Why is flood insurance necessary to you Because most of natural disasters in this country ______.

[填空题]Why is the pre-university examination necessary

[填空题]Why is flood insurance necessary to you
Because most of natural disasters in this country ______.

[单项选择]Why was it necessary to replace the old standard weight
A. Someone spilled water on it.
B. Someone lost it.
C. It was made of low-quality metal.
D. The standard for measuring had changed.

[填空题]Why is it necessary not to open a hot door

[单项选择]Why are two shots thought to be necessary People born after 1957 have not been exposed to a similar virus. The first dose "primes" (使准备好) the immune system to respond, but it’s the second shot that triggers the production of antibodies. This is not unusual. A number of vaccines are given for the first time in multidose series. For example, the seasonal flu vaccine is given in two shots to children under 9 if they’ve never had the flu.
What is the function of the first shot of the vaccine
A. To get the body ready for the second shot.
B. To trigger the production of antibodies.
C. To get the immune system ready to respond.
D. To avoid unusual side effects of the vaccine.