布什主张金融危机蔓延政府只能干预 (2)
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美国近一半的职业现由妇女担任(2)
美国几乎半数的工作由妇女承担。 Hints: Rebecca Meisenbach Missouri Columbia Bear Stearns Ralph Cioffi Matthew Tannin A new research paper in the journal Sex Roles looks at the experiences of w...
印度的骆驼数量下降 (2)
在拉贾斯坦邦, PUSHKAR的最近一次骆驼交易会上,骆驼交易较过去要少些。一只强壮的骆驼可值大约1000美元。PushkarRajasthanJaipurBut fewer camels than in the past were traded at a recent camel fair in Pu...
美国的北部边界(2)
美国的北部紧邻加拿大,被称为“世界上最长的不设防国界”New technology is also helping safeguard the border. In this area near Seattle, a network of cameras, seismic motion detectors and banks of c...
蜜蜂上哪里去了(2)
去年秋天,高温气候使得美国的养蜂者损失惨重,蜜蜂神秘失踪,它们上哪里去了?Mister Rexroad said the cause of the sudden loss of bees is not clear. The number of honey bees already had fallen before...