1938年4月9日路透社电讯说：“英军事当局，对于中国津浦线（天津至南京浦口）之战局极为注意，最初中国军队获胜之消息传来，各方面尚不十分相信，但现在证明日军溃败之讯确为事实。历时1个月的激战中，中方伤亡约5万余人，毙伤日军约2万余人（日军自报伤亡11984人）”。据此分析，此次战役（    ）

一个雨后的晚上，天刚放晴，地面虽干，但仍留有水潭，为了不至踩在水里，下面判断正确的是（）

Surprising Camara.

    WATCH out! A slingshot(弹弓) is aimed at you. But don't be afraid. It's just a camara. It's called Slingshot Camara. The camara will catch your Surprised look. Pull the rubberhand(橡皮筋)back and shoot. It takes a Picture. Two designers from South Korea made's.

Making Use of Smog

    SMOG(雾霾)is annoying. But what if it could be made into a diamond(钻石)? A “Smog Free Tower” will try to do that, although the diamonds will not be as real ones. Black particles(颗粒)in smog and diamonds are mostly carbon. A designer from the Netherlands made the tower.

New Flower Home

    WHEN plants get too big, you have to move them from a small flowerpot to a big one. Now, the special Growth Flowerpot can save you time and energy. It's made of a special materal in origami style. It gets bigger and bigger as the plant grows. It is from Belgium.

Easy Bike Parking

    PARKING a bike is not easy in big cities. Here comes the bicycle-parking tower. You only need to use a card and push a button. Then the tower can hold your bike in an empty place inside it. You don't even need to lock the bike.

Solar Charged Light

    YOU can put it in your pocket. But if it's inflated(充气), it turns into a light! This is LumnAID, a solar light that can be on for 16 hours after recharging(充电) with just seven hours of sunlight. Two US students designed it.

用如图所示的滑轮组提升重物，若每个滑轮的重和物体被提升的高度均相同且G_A＞G_B，不计绳重及轮与轴之间的摩擦，下列判断正确的是（  ）

党的十八大报告中有145处提到“人民”二字，如，“必须坚持人民主体地位”“更好保障人民权益”“更好保证人民当家作主”等。