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【单选题】
装盒时,热凝塑料最佳填塞期是()
A.
湿砂期
B.
稀糊期
C.
粘丝期
D.
面团期
E.
橡胶期
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参考答案:
举一反三
【简答题】Watch the video and answer the following questions. 1. What's the building that was hit?
【判断题】射线照相法适宜各种熔化焊接方法的对接接头和钢板、钢管的检测。
A.
正确
B.
错误
【单选题】测定某化工厂的汞含量,其取样点应是
A.
工厂总排污口
B.
车间排污口
C.
简易汞回收装置进水口
D.
取样方便
【简答题】Watch the video clip and try to answer the following questions: 1. What are these women’s reaction? 2. What is the theme of this video clip?
【简答题】Model 2: How are you doing? 1. Watch the video and fill in the blanks.
【简答题】Watch Video 1 and complete the following mind map.【图片】【图片】 1. _______________
【单选题】测定某化工厂的汞含量,其取样点应是 。
A.
总排污口
B.
车间排污口
C.
受納水体
D.
取样方便的地方
【单选题】Read the text below the video. Then watch the video. Read each question and choose the correct answer. 1. Susan Wu is __________.
A.
Laura's friend
B.
a new co-worker
C.
Laura's sister
【简答题】Watch the video clip and answer the questions. 1. According to the video clip, which city is the greenest one in Asia?
【单选题】测定某化工厂的汞含量,其取样点应是:
A.
简易汞回收装置排污口
B.
取样方便的地方
C.
车间排污口
D.
工厂总排污口
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