喷吸钻的冷却泵功率比高压内排屑深孔钻()

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问题:

喷吸钻的冷却泵功率比高压内排屑深孔钻()

考点:车工考试车工技师车工技师题库
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下图为桃花的部分结构及传粉受精后的变化概念图,请写出各序号所代表的结构名称或变化。

                                                        

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Great Wall Xmas BBQ

Beijing Hikers are organizing a three-hour hike on a rarely visited part of the Great Wall and will celebrate Christmas afterwards with a Christmas barbecue dinner in a small hotel at the foot of the Great Wall . Meet at 8:30 am. Dec. 25 in front of Starbucks at Lido Holiday Inn , Jiangtai Lu. Please write to info@beijinghikers.com or 139-100-25516.

Pingyao tour

High Club will guide a weekend trip to Pingyao , an ancient walled town near Taiyuan , capital city of Shanxi Province . The town is one of the best-preserved(保护) featuring courtyard buildings of the Ming and Qing dynasties (1368-1911) . Among them is the Qiao family courtyard house, the shooting location of Zhang Yimou’s Raise the Red Lantern (《大红灯笼高高挂》). Leave on Friday (December 23) night by train and back to Beijing on Sunday morning . For sign-up and more information , contact Lucy at lucy@highclub.cn or 8580-5080,130-11171326.

New Year Harbin trip

The Chinese Culture Club is running a new year trip to Harbin , to catch a fresh view of its yearly ice and snow lantern festival .

As the temperature is expected to fall between minus 20 to 30℃, visitors are warned to prepare well with jackets , masks , fur gloves and boots. The trip sets out by train at night on December 31 and gets back on the morning January 2. The cost is 2,300 yuan (US$ 284) . Reservation(预订) is required at 8457-2772.

小题1:One who is interested in life of ancient Chinese is more likely to contact ______.

A.139-100-25516

B.1368-1911

C.8580-5080

D.8457-2772小题2:The term “BBQ” in the topic “Great Wall Xmas BBQ” should mean a kind of ________.

A.meal

B.tour

C.transportation

D.dance小题3:Pingyao is worth seeing mainly because ________.

A.it’s a town surrounded by walls

B.it’s near the capital of Shanxi

C.its buildings are old and in good condition

D.a famous film was shot there小题4:The last advertisement of New Year Harbin trip offers NO information about _____.

A.what to take there

B.what to buy there

C.when to leave and return

D.how much to pay

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全口义齿解剖式人工牙常规排列时,与平面不接触的是()

A.切缘

B.牙尖

C.舌尖

D.颊尖

E.舌尖

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在“比羊叔子之馈药,要不酖人”(上)中,“酖”之义为()

A.酒

B.耽

C.毒害

D.欺诈

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科学家将含有人的胰岛素基因的DNA片段注入牛的受精卵中,该受精卵发育的牛能分泌人的胰岛素。下列对这一过程的叙述,不正确的是()

A.如果用逆转录法人工合成人的胰岛素基因,应从人的胰腺组织中获得相应mRNA

B.人的胰岛素基因能够在牛的细胞内复制、转录、翻译

C.该牛称为“克隆牛”,其细胞内会发生RNA的复制

D.该过程定向地改造了生物的遗传性状

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