原文：Increasing human number places intense pressure on ecosystems and natural resources, and this pressure is expected to increase until world population stabilizes at about 10 billion by 2050 to 2070. However, this stabilization will be achieved only if present efforts to check population growth are pursued vigorously.

A.Translate the following passage into English. Write your translation on the Answer Sheet.

原文：非洲国家占联合国会员国的四分之一，人口占世界的13%。没有非洲的稳定，就没有世界的和平;没有非洲的繁荣，就没有世界的发展。非洲国家在发展领域，特别是实现千年发展目标(Millennium Development Goals)方面仍面临困难;3亿多人口生活在贫困线以下，三分之一的儿童营养不良，3000多万人受到艾滋病困扰，经济总量不足全球的2%，债务却高达3000亿美元。这是对人类良知的挑战。

原文：这种同甘共苦、互相爱护的关系，并没有使徐老师宽容我们的错误。谁有了错，他仍然要打三记手板，不久，我和魏二铁就挨过他的一次打，而且打得特狠!

原文： You’re on holiday but surreptitiously check your work emails the moment you wake up. You get anxious if there’s no Wi-Fi in the hotel or mobile phone signal up the mountain. You fret if your phone is getting low on power, and you secretly worry things will go wrong at work if you’re not there. These are the typical signs of “always on” stress induced by smart phone addiction.For some people, portable connected devices have liberated them from the constraints of the nine-to-five. Flexible working has given them more autonomy over their working lives and enabled them to spend more time with their friends and families. For many others though, smart phones have become tyrants in their pockets, never allowing them to switch off, relax and recharge their batteries. The negative impacts of this “always on”culture are that your mind is never resting, you’re not giving your body time to recover, so you’re always stressed.

原文： 红色是太阳的颜色，红色是圣火的颜色，红色代表着生命和新的开始。红色是喜悦的心情，红色是活力的象征，红色是中国对世界的祝福和盛情。

原文：专家提醒说，雾对人体健康的危害有很大的隐蔽性。据测定，雾滴中各种酸、碱、盐、胺、酚、尘埃、病原微生物等有害物质的比例，比通常的大气水滴高出几十倍。

原文：这个国家人口只有20万，但因为许多外国人来这里旅游，该国的年财政收入增长了3%，社会经济得到发展，人民生活水平得到提高。

B. Translate the following underlined sentences into English. Write your translation on the Answer Sheet.原文：我应该集中精力，读我所未读过的书，我应该利用所有的时间，写我所要写的东西。但是我没能这样做，我的好多的时间都糊里糊涂的混过去了。

原文：Slower population growth is affecting the developing world as well. According to many media experts, this picture of stagnant or declining labor forces is cause for panic. After all, it means that countries will be seeing an increase in the ratio of retires to workers.

原文：London is bigger, dirtier and more crowded than one would imagine from the descriptions in many magazines and books. It has around 8 million inhabitants and sprawls over a huge area, mostly of suburbs where tourists seldom go. The city streets are narrow and often blocked by traffic.

原文：Some people consider their journey like a jaunty tour. They will just go merrily along. Others will encounter many upsets, tears and losses on their journey. Others still, will linger on to offer a helping hand to anyone in need.