题目内容

梯形图编程又叫做继电器梯形图编程。

A. 对
B. 错

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PLC扫描周期的长短主要是由用户程序决定的。

A. 对
B. 错

Complete the sentences, using the words or phrases in brackets. Make additions or changes where necessary. Now choose suitable words from the box to complete the sentences together with the proposition of. sick thoughtful critical guilty ashamed confident conscious fond 1. The man who is _________ books is usually a man of noble thought. 2. A few years after George settled down in the small town, he became _ the same old routine every day. 3. Thank you for calling to see if Amy's ankle is getting better -- it's very ____ you. 4. Considering the odds stacked against him, I do not feel his chances of success. 5. Let a man become _ what he is and he will soon learn what he should be. 6. When you write a letter of application, you must pay particular attention to punctuation, grammar and spelling, as employers are always poor letters. 7. Margaret felt cheating on the recent test in physics and made up her mind never to let this recur. 8. Jared is _______________ himself for being so ignorant.

Read the passage carefully until you have got its main idea, and then select one appropriate word for each gap from the box following the passage.Wake up each day and give gratitude for what you have. _____ (1) of giving any thought at all to what you do not have in your life, just spend as much time as you possibly can each day giving thanks for all of the people, opportunities, material (2), good health and any other things that you have in your life that make it so good. It is said that we take so much for granted that we sometimes forget to be thankful for the small things that make our lives so much _ (3). If you have ever been out of (4) or under water for too long, the next breaths you take are that much sweeter.Tell others how much you love and (5) them every chance you get. You may never see someone again so you always want to leave them by telling them just how (6) they are to you. When you are telling them how much you care about them and how thankful you are for having them in your life, give them (7) examples of what you love about them the most.Take the time to appreciate every little thing in your life. When the sun is __ (8), the grass is wet beneath your feet and your dog is barking, give thanks for these small _ (9). Every moment we have is a ______ (10). Use your time to show and tell others how important and special they are. Giving someone your time and kind words is the greatest gift of all. miracles cherish Instead possessions Considerate gift richer surprise specific special shining prettier breath work favorites

设X1真=-35（10进制数），填空，要求用7位2进制表示。X1原等于（1）、X1补等于（2），X1移等于（3）。