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[单选题]对流式过热器的气温特性,随锅炉负荷增加,流过过器烟温和烟速( )出口蒸汽温度将( )。
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[单选题]对流式过热器的汽温特性,当锅炉负荷增加,过热器的烟速和流速以及出口烟温的变化为( )。
Part I B[音频]1. A. The mother had left the room before the child fell asleep.B. The mother left the room after the child had fallen asleep.2. A. I met Jack when I went to Seattle the last time.B. I met Jack at last when I went to Seattle.3. A. I had fun when I played badminton the second time.B. I began to have fun when I played badminton the first time.4. A. We take a hike whenever she visits.B. We take a hike almost each time she visits.5. A. We go to have lunch at Dick’s every time he comes.B. We often go to have lunch at Dick’s when he comes.6. A. Since I was young I have played tennis.B. I played tennis when I was a young girl.7. A. Most of the guests had arrived when he got to the party.B. Few guests were there when he arrived at the party.8. A. The students stopped talking when the teacher came in.B. The students stopped to talk when the teacher came in.9. A. I was doing my homework while she was cooking.B. I was cooking while she was doing homework.10. A. The train came in just before I arrived at the station.B. The train came in just after I arrived at the station.
Part 2Dialogue 1[音频]A: 1.____________________________________ on each carton?B: As regards marking, please refer to the contract and ensure that marking is correct and distinct.Dialogue 2[音频]A: Are there any other things you want us to take care of 2.________________________?B: Can you be sure to 3.______________________________________against the container? These goods can be easily damaged.A: I understand. We always 4._______________________________ with every shipment and we’ll let you see the 5.__________________________________ before we send the goods.Dialogue 3[音频]A:6._______________________________tomake our goods look appealing to our customers.B: OK, we’ll make some improvements on packaging with innovative design.Dialogue 4[音频]A: Please note that the packing is 7.________________ and is able to stand 8.________________________.B: We’ll pay particular attention to that.Dialogue 5[音频]A: What do you think of 9._________________________________________________?B: We don’t object to packing in cartons, provided the flaps are 10.________________ and the cartons secured 11.____________________________________.Finish Section B on the textbook.[音频][音频][音频][音频][音频]
Part III Activity 1[音频]Finish A in the textbook.B.1. David would like the products to be wrapped in bubble wrap.2. David would like the products to be wrapped in the regular plastic instead of foam cartons.3. The regular plastic costs more than foam cartons.4. David feels it hard to accept the additional expense Joanna quoted.5. It’s common practice for the cartons to be marked “Fragile, handle with care.
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