2008年某钢笔的价值用货币衷示为90元，2009年生产该钢笔的社会劳动生产率提高了50％。如果其他条件

The load terminal is known as a synchronously input, What is the function of the following circuit（______）？ 已知芯片的置数端子是同步工作的，下图所示电路的功能是（______）

A、0,1,2,3,4,5,6,7,8,9

B、0,1,2,3,4,5,6,7,8,9,10

C、1,2,3,4,5,6,7,8,9,10

D、1,2,3,4,5,6,7,8,9

What is the input resistance between terminals B and G in the circuit shown below？ (The voltage vx is a test voltage with the input resistance Rin defined as Rin ≡ vx / ix.)

A、

B、

C、

D、

A、It is an input device.

B、It is an output device.

C、It is a computer without input and output.

A、input

B、output

C、both input and output

D、none of the above

The kind of input showing the learner what is grammatically correct is known as

A．negative evidence.

B．comprehensible input.

C．positive evidence.

D．positive transfer.

For a linear continuous-time system, when the initial state isand the input signal is, the output is,; when the initial state isand the input signal is, the output is,. Then, what is the output when the initial state isand the input signal is？ ()

A、

B、,

C、,

D、,

What do we need to read text input directly into a computer by means of a scanner？

A．A keyboard B．A printer

C．A scanner D．An OCR software