[单项选择]Reduce Packaging 　　Pressure increased recently on British supermarkets and retailers to reduce packaging as part of an anti-waste campaign.　　　　　(46) Britain generates 4.6 million tons of household waste every year by packaging. 　　Dozens of people have expressed anger at the excess of plastic wrapping.Campaigners have called on Britain to learn from other European countries.　　　　(47) When returned bottles are put in a vending machine (自动售货机), the deposit is refunded. Environmentalists warn that Britain lags behind in this. 　　There were reports of growing unease among consumers over the amount of packaging they have to deal with. Trade standards officers also object to excessive　packaging.　　　　　(48) 　　In response to a campaign by Britain’s The Independent newspaper, leading　supermarkets have pointed to various initiatives to win the public confidence.　 (49) 　　But campaigners said retailers and the government could learn much from anti-waste practices on the Continent. In S

[单项选择]Reduce Packaging 　　Pressure increased recently on British supermarkets and retailers to reduce packaging as part of an anti-waste campaign.　　　　　(46) Britain generates 4.6 million tons of household waste every year by packaging. 　　Dozens of people have expressed anger at the excess of plastic wrapping.Campaigners have called on Britain to learn from other European countries.　　　　(47) When returned bottles are put in a vending machine (自动售货机), the deposit is refunded. Environmentalists warn that Britain lags behind in this. 　　There were reports of growing unease among consumers over the amount of packaging they have to deal with. Trade standards officers also object to excessive　packaging.　　　　　(48) 　　In response to a campaign by Britain’s The Independent newspaper, leading　supermarkets have pointed to various initiatives to win the public confidence.　 (49) 　　But campaigners said retailers and the government could learn much from anti-waste practices on the Continent. In S

[单项选择]Reduce Packaging 　　Pressure increased recently on British supermarkets and retailers to reduce packaging as part of an anti-waste campaign.　______(46) Britain generates 4.6 million tons of household waste every year by packaging. 　　Dozens of people have expressed anger at the excess of plastic wrapping.Campaigners have called on Britain to learn from other European countries. ______ (47) When returned bottles are put in a vending machine (自动售货机), the deposit is refunded. Environmentalists warn that Britain lags behind in this. 　　There were reports of growing unease among consumers over the amount of packaging they have to deal with. Trade standards officers also object to excessive packaging. ______ (48) 　　In response to a campaign by Britain’s The Independent newspaper, leading supermarkets have pointed to various initiatives to win the public confidence.　 ______ (49) 　　But campaigners said retailers and the government could learn much from anti-waste practices on the Continent.

[单项选择]

Reduce Packaging Pressure increased recently on British supermarkets and retailers to reduce packaging as part of an anti-waste campaign. (46) Britain generates 4.6 million tons of household waste every year by packaging. Dozens of people have expressed anger at the excess of plastic wrapping. Campaigners have called on Britain to learn from other European countries. (47) When returned bottles are put in a vending machine(自动售货机), the deposit is refunded. Environmentalists warn that Britain lags behind in this. There were reports of growing unease among consumers over the amount of packaging they have to deal with. Trade standards officers also object to excessive packaging. (48) In response to a campaign by Britain’s The Independent newspaper,leading supermarkets have pointed to various initiatives to win the public confidence. (49) But campaigners said retailers and the government could learn much from anti-waste practices on the Continent.

[简答题]Central venous pressure:

[简答题]Mean arterial pressure:

[单项选择]How will production be increased
A. New equipment will be installed.
B. The company will merge with a competitor.
C. More assembly line workers will be hired.
D. Focus will be shifted entirely to one product,

[单项选择]What was recently updated
A. City planning guidelines
B. The company’s expense reports
C. Blueprints for expansion
D. An application process

[单项选择]

Despite increased airport security since September 11th, 2001, the technology to scan both passengers and baggage for weapons and bombs remains largely unchanged. Travellers walk through metal detectors and carry-on bags pass through x-ray machines that superimpose colour-coded highlights, but do little else. Checked-in luggage is screened by "computed tomography", which peers inside a suitcase rather like a CAT scan of a brain. These systems can alert an operator to something suspicious, but they cannot tell what it is.
More sophisticated screening technologies are emerging, albeit slowly. There are three main approaches: enhanced x-rays to spot hidden objects, sensor technology to sniff dangerous chemicals, and radio frequencies that can identify liquids and solids. A number of manufacturers are using "reflective" or "backscatter" x-rays that can be calibrated to see objects through clothing. They can spot things that a metal detector may n
A. although
B. once
C. if
D. as