World leaders have to face the fact that global warming has become perhaps most complicated issue.A．/,the B．/,/C．the,the D．the,/ 题目和参考答案——青夏教育精英家教网—

题目内容

World leaders have to face the fact that ________ global warming has become perhaps ________ most complicated issue.

A．/；the B．/；/

C．the；the D．the；/

【解析】A　考查冠词。global warming抽象名词，用零冠词；形容词最高级前用the。

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BEIJING，Feb.5，2013(Xinhua)－Chinese health authorities on Tuesday launched a campaign to fight against assisted reproductive technology (ART：辅助生育技术) abuse.Unauthorized ART use，surrogate motherhood and the illegal collection and supply of sperm and eggs，as well as the illegal sale and abuse of ovulation induction(诱导排卵) medicine，will be targeted.

The Ministry of Health and health department of the People's Liberation Army General Logistics Department jointly announced the campaign at a conference.Both departments also ordered all of their local branches to suspend permits for new organizations that wish to offer ART treatments.That is，new organizations will not appear recently.Official figures showed that at the end of 2012，China had 358 organizations authorized to conduct ART treatment.

The health ministry also delivered a brief statement of the country's current infertility rate(不孕率) and ART use.The infertility rate in China is now between 7 and 10 percent，the ministry said.Some 70 to 80 percent of women who are suffering from infertility can be pregnant after changing their lifestyles and receiving medical treatment.Around 20 percent of infertile couples have to resort to ART to have babies.In 2011，about 350，000 people received ART treatment and more than 60，000 infertile couples successfully had children with the help of ART，the ministry said.

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