2.In 1976 Sarah Caldwell became_____at the Metropolitan
Opera House in New York City.
Ans. the first woman conductor
疑問:(1)為什麼呢是這個答案?
(2)這個"the woman was first conducting"-->錯在那呢?
34.A condenser is a heat exchanger_____steam or vapor loses
heat and returns to liquid form.
Ans.in which
疑問:為什麼不能用that呢?
45.By the mid-twentieth century, United Stated presidential staffs,
which had numbered (fewer than ten a century earlier,
numbered in the hundreds.)
疑問:請問(...)是什麼意思
68.The Mississippi riverboat, which (...) envolved from simpler
steamships of the early 1800's, became the dominant form of passenger
transport on the Mississippi River.
疑問: 請問(...)中是否省略was
為什麼可以省略呢-->不是應該which was一起略嗎?
但在逗號後which又不能省...........
72. The brightly colored kingfisher (that perches) until it sights a fish,
then dives into the water to catch its prey.
疑問:(..)是錯的，請問是不是應該將that去掉
73. every 164.8 Earth years
疑問:every後的名詞不是應該單數嗎
為何years是對的呢?
93. Copper wat the first metal used by humans and is second only to iron
(into) its utility through the ages.
疑問: (into)是錯的-->請問該怎麼改
98. The Hopi, descendants of the prehistoric Anasazi people, are a Pueble
(people who) of the southwestern United States.
疑問:(....)是錯的--->請問是將who去掉嗎-->why???
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