20. The grocery store ________________ early and ________________ late.
(A) opened, closed
(B) to open, is closed
(C) that opening, will close
(D) which is opened, be closed
III. The following passages are followed by questions based on their content.
Please select the best answer among the choices given.
There has been a great deal of change in the gallium arsenite (GaAs) semiconductor industry
over the past several years. An awful lot of fabs are being built around the world, especially in
Taiwan.
GaAs is a compound semiconductor material that offers a number of advantages over silicon
in high-speed and optoelectronic applications. While several major companies around the world
started their research in GaAs 20 years ago or earlier, investors in Taiwan were neither interested
nor confident in GaAs because of its relatively small market and immature technology.
Surprisingly, the situation in Taiwan over the past two years has been characterized by investors
viewing GaAs as an excellent opportunity, thanks to the rapid growth of wireless communication
and fiber-optic market demand. Many of these investors had little knowledge of GaAs technology,
but they had been attracted by the sky-high market forecasts.
With the recent slowdown in the market, Taiwanese investors have now become more
conservative about their capital investment. In fact, some Taiwanese construction projects have
been delayed or even cancelled. From the global perspective, slowing down the GaAs industry
may not be such a bad idea. It reduces the possibility of over-capacity in the market, which could
drive the prices of GaAs products to a sharp decline. To survive in the industry, both new and
existing fabs have to adjust their paces wisely and keep their products competitive in the global
market.
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