根据我国《票据法》的规定，汇票出票时，出票人未记载付款日期的，该汇票而为( )。A 发布时间：2017-06-06 21:18 │ 来源：www.tikuol.com 题型：单项选择题 问题： 根据我国《票据法》的规定，汇票出票时，出票人未记载付款日期的，该汇票而为( )。A．无效汇票B．空白汇票C．见票后定期付款汇票D．见票即付汇票
题型：单项选择题 Spring is coming . The flowers will start blossoming (开花)and the trees will be filled with colors. It’s time of the year for people to plant trees. Planting trees is a good way to protect our environment. But most of us don’t have a place to plant trees. So what can we do for protecting the environment? We can make a difference from the others. For example, we can think about a way to make people cut down fewer trees. As we know, paper is made from trees. If we use less paper, we can save a lot of trees. Then we may have a problem that how to use less paper. Let me tell you my ideas. Reducing Our Paper WasteEvery day we just use the paper and we don’t think about where the paper comes from.Let us think about wasting a piece of paper is like wasting a tree. We can start with reducing the amount of paper products that we use. This could be done by such a simple way as using e-mail instead of writing notes.ReusingWe could reuse paper that is clean on one side for drafts, notes and even photocopies. As students, we could reuse paper by doing our research online or at libraries rather than buying lots of written paper. Sharing books or buying a used textbook for school is another way of reusing.RecycleWe should consider recycling notebook paper, newspapers, magazines and colored paper. We can buy paper towels, tissues, and toilet paper that have been made from recycled paper. Don’t throw away the wasted newspapers or books which are not useful to you. 小题1:People can protect the environment by doing the following things except ______.A．planting treesB．reusing paperC．drinking less waterD．cutting down less trees小题2:We can reduce our paper waste by______.A．sending e-mailB．writing lettersC．sending cardsD．using paper bag小题3:______isn’t a way for you to reuse paper.A．Doing research onlineB．Buying lots of written paperC．Sharing booksD．Buying a used textbook小题4:______can be recycled to make paper towels, tissues and toilet paper. A．Colored paperB．NewspapersC．MagazinesD．All of the above小题5:From the passage we know that .A．we can reuse paper for drafts, notes and even photocopiesB．the paper is made from clothes and treesC．four ideas are mentioned here to save paper.D．we should cut down more trees to make more paper 查看答案
题型：单项选择题 小明在室外玩耍时，发现鼠妇经常躲在阴暗、潮湿的花盆底下或石块下，小明不禁感到 奇怪：鼠妇为什么喜欢阴暗、潮湿的方呢？后经过长期观察，小明推测：鼠妇怕光。他捉了10只鼠妇做了以下实验来验证自己的推测是否正确：①用硬纸板制成一个长方形的纸盒（上方没有盖），将纸盒分成长度相等的两部分，一部分用黑纸包好形成一个黑暗的环境，另一部分不做处理。②将捉来的10只鼠妇放入纸盒中央，10分钟后观察鼠妇的动向：是移到黑暗的一端的鼠妇多，还是移到亮处的鼠妇多？请分析回答下列问题：（1）小明提出的问题是： ？（2）该实验中，要控制的变量是 。小明把纸盒一端做成黑暗环境，另一端不做处理的目的是起 作用；除此之外，其他条件应设置 （填“相同”或“不相同”）。（3）实验时不能只用1只鼠妇做实验，因为如果那样的话，探究过程中 。（4）实验完成后，应如何处理鼠妇？ 。 查看答案
题型：单项选择题 32位的IP地址可以划分为网络号和主机号两部分。以下地址中，（）不能作为源地址。A.0.0.0.0B.127.0.0.1C.10.0.0.1D.192.166.0.255/24 查看答案
