[填空题]The water was so clear that it ______ (reflect) the trees on the river bank.

[填空题]The water was so clear that it（）(reflect) the trees on the river bank.

[简答题]Water is so low in the canals of northern France that waterway traffic is forbidden except on weekends. (Passage 2)

[单项选择]（　） we need air and water, so we need criticism and self-criticism.
A. Even though
B. So long as
C. Just as
D. Now that

[单项选择]New Product Will Save Lives Drinking water that looks clean may still contain bugs(虫子)。which Can cause illness．A small company called Genera Technologies has produced a testing method in three stages，which shows whether water is safe．The new test shows if water needs chemicals added to it, to destroy anything harmful．It was invented by scientist Dr．Adrian Patton．Who started Genera five Years ago．He and his employees have developed the test together with a British water company． Andy Headland。Genera’s marketing director, recently presented the test at a conference in the USA and forecast good American sales for it．Genera has already sold 11 of its tests at $42,500 a time in the UK and has a further four on order．It expects to sell another 25 tests before the end of March．The company says it is the only test in the UK to be approved by the government． Genera was formed five years ago and until October last year had only five employees；it now employs 14. Mr. Headland believes
A. Right
B. Wrong
C. Not mentioned

[单项选择]___ is generally believed, there is no water on the moon.
A. As
B. What
C. That
D. It

[单项选择]Despite the Clear-cut technological advantages, the railroad didn’t become the primary means of transportation for nearly 20 years after the first pioneering American railroads were introduced in the early 1830s. Besides the stiff competition of water transport, an important hindrance to railroad development was public antipathy, which had its roots in ignorance, conservatism, and vested interest. People thought that speeds of 20 to 30 miles per hour would be physically harmful to passengers. Many honestly believed that the railroad would prove to be impractical and uneconomical and would not provide service as dependable as that of the waterways.
Unsurprisingly, the most vigorous opposition to railroads came from groups whose economic interests suffered from the competition of the new industry. Millions of dollars had been spent on canals, rivers, highways, and plank roads, and thousands of people depended on these transportation enterprises for their livelihood. Tavern keepers f
A. Both municipal and state governments were in favor of railroads.
B. Both state and federal governments gave support to railroads.
C. State governments went against federal governments on building railroads.
D. Municipal governments reserved their right to disagree with state governments.