Which of the following is NOT a kind of tertiary industries?
Which of the following is NOT a kind of tertiary industries?
Telecommunication companies belong to the tertiary of industry.
Telecommunication companies belong to the tertiary of industry.
Which of the following is defined as tertiary literature?
Which of the following is defined as tertiary literature?
蛋白质的三级结构(protein tertiary structure)
蛋白质的三级结构(protein tertiary structure)
Tertiary industries include banking, insurance, tourism, agriculture and the selling of goods.
Tertiary industries include banking, insurance, tourism, agriculture and the selling of goods.
According to the text,the tertiary industry produces approximately two-thirds of the national wealth.___
According to the text,the tertiary industry produces approximately two-thirds of the national wealth.___
Indexes are _______. A: primary sources B: secondary sources C: tertiary sources
Indexes are _______. A: primary sources B: secondary sources C: tertiary sources
All proteins have the primary structure, secondary structure and tertiary structure.
All proteins have the primary structure, secondary structure and tertiary structure.
According to the text, the tertiary industry produces approximately 2/3 of the national wealth.
According to the text, the tertiary industry produces approximately 2/3 of the national wealth.
Papers in a journal are ______. A: primary sources B: secondary sources C: tertiary sources
Papers in a journal are ______. A: primary sources B: secondary sources C: tertiary sources