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【判断题】
柱粒状交织结构翡翠透明度高,致密、细腻的高档翡翠多属此类。
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】下列属于二氧化碳气体保护焊短路过渡焊时的主要焊接工艺参数有()
A.
焊接回路电感
B.
气体流量及纯度
C.
焊接电流
D.
焊丝伸出长以及电源极性
【单选题】What's wrong with Jessie?
A.
She has a stomachache.
B.
She has a headache.
C.
She has a toothache.
【单选题】It was there, the police believe, _________ she was able to activate the recorder she kept in he
A.
22. It was there, the police believe, _________ she was able to activate the recorder she kept in her bag. A.until
B.
which
C.
that
D.
When
【多选题】建立企业仪式包括:
A.
沟通仪式
B.
工作仪式
C.
管理仪式
D.
奠基仪式
【单选题】—Lucy has never been to Qingdao, has she? —________.  She hopes to go there one day. [     ]
A.
Yes, she has
B.
No, she hasn't
C.
Yes, she hasn't
D.
No, she has
【简答题】A.She has to catch the train. B.She has to catch the bus. C.She has to go to work. D.She is tired.
【单选题】This is a photo of my aunt when she had______, and now she has a few ______.
A.
short hairs; grey hair
B.
short hair; grey hairs
C.
short hair; grey hair
D.
short hairs; grey hairs
【简答题】A.She has to meet a friend. B.She has to fly to Argentina. C.She has to attend a meeting. D.She has to lunch with the man next week.
【单选题】plt.savefig保存图片可以保存成什么格式
A.
jpg
B.
png
C.
jpeg
D.
bmp
【单选题】We were all surprised when he made it clear that he office soon .
A.
. 1eaves       
B.
. would leave         
C.
. 1eft      
D.
. had left
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