Almost every new innovation goes through three phases. $ W$ G1 x i3 m# R8 w3 V
When initially introducing into the market, the process 1. ) R+ U' X( q1 `, `
of adoption is slow. The early models are expensive and
; d; U# R6 j: A( P; V hard to use, and perhaps even unsafe. The economic
* S ?9 ]$ r$ Q impact is relatively great. 2. * k" p6 g8 R% q6 p. u
The second phase is the explosive one, where the innovation . r* D9 a, S% P' M
was rapidly adopted by a large number of people. It gets 3.
. g( y# U+ T% q8 V* F4 p0 W cheaper and easier to use and becomes something familiar.
. Y* y/ W3 x% R And then in the third stage, diffusion of the innovation " ^& b, m0 d! D; S8 R
slows down again, as if it permeates out across the economy. 4. . ?$ M* B8 T& L+ }2 R4 v
During the explosive phase, whole new industries spring
/ w+ U7 H9 L/ ? up to produce the new product or innovation, and to service 7 H2 p& f/ w/ j# r9 z2 ~
it. For example, during the 1920s, there was dramatic 5. ' `+ C( k' x* ~' f4 @( C
acceleration in auto production, from 1.9 million in 1920 , L4 m6 Z: \6 m5 D8 a& |
to 4.5 million in 1929. This boom was accompanied with all 6.
! |2 @: |6 s; Y9 J! I5 K sorts of other essential activities necessary for an
& V8 q" J% |- d4 d G auto-based nation: Roads had to been built for the cars to 7.
' c0 i. y1 R; l run on; refineries and oil wells, to provide the gasoline;
0 U/ N* R; O1 M v. F8 [. @ and garages, to repair it. 8.
$ C4 D! {% j- D; C4 t* M6 q- a Historically, the same pattern is repeated again and again 9 L, G V+ ~4 a
with innovations. The construction of the electrical system
0 j( l+ b; K; l requested an enormous early investment in generation and 9. 2 L' `4 r E$ c7 K
distribution capacity. The introduction of the radio was
. e! T, O2 I" [1 o4 T5 K followed by a buying spree (无节制的狂热行为) by Americans
6 H# d6 g' x: u- U7 B+ a what quickly brought radios into almost half of all households 10. / P1 G+ Z" ]% b6 {
by 1930, up from nearly none in 1924.
/ e+ w4 Z- S; F/ v1 D. V) n4 X. K9 k6 J7 Q
答案:
( p" g) y X' j$ n, }4 F 1. introducing改为 introduced; 0 D W1 \( j8 a$ a/ e% r# _. ?7 ]/ M H
2. great 改为 small;
7 l- k1 m% t; O 3. was改为is;
6 i6 d5 I) k Y9 ` 4. as 后面的 if 去掉; 2 y) X! x# f( `! R
5. was 后面加a;
+ ^, I7 t4 n" W8 p' |/ Z 6. with改为by; 8 P( O/ l$ n0 H, y; T2 `! e# `! O- O8 i
7. been改为be;
; s* H# E7 a+ ~ 8. it改为them;
4 R, n8 H+ l+ I7 ^- O 9. requested改为required;
4 ~4 s: @1 |7 ^- p P" ^- a2 w 10. what改为that。 |