关于“1980s”的表达,正确的是？

以下关于静脉麻醉的发展简史，下列说法错误的是（)

A、1657年,ChristopherWren首次用羽毛茎将鸦片注射到人体静脉

B、1960s，药代动力学模型和等式用于指导普鲁卡因静脉输注方案的制定

C、1986年，得普利麻(丙泊酚)上市

D、1974年提前进入计算机时代

E、1980s，计算机控制静脉输注系统

A.1980s…the

B.the 1980s…/

C.1980s…their

D.the 1980s…their

At first in the 1980s parents gave home-schooling to children for__________.

A．better education

B．religious education

C．safety

D．all the above

A、1970s

B、1950s

C、1980s

D、1860s

A.1970s

B.1980s

C.1956-1969年

D.1952-1955年

Since 1980s, people have studied how to improve the information （) of barcode symbol.

A、amount

B、density

C、number

D、crowdedness

Since 1980s, people have studied how to improve the information density of barcode symbol. （翻译)

A.CASES

B.CARTONS

C.BOXES

D.BAGS

A.CASES

B.CARTONS

C.BOXES

D.BAGS