[单项选择]He cut the string and held up the two （　）to tie the box.
A. segments
B. sediments
C. seizures
D. secretes

[单项选择]He cut the string and held up the two ______ to tie the box.
A. segments
B. sediments
C. seizures
D. secretes

[单项选择]When I was there, he was still working. He said that he (41) for the last two hours (42) that he was going to stop (43) . He added that if I had arrived ten minutes later, I (44) at home. When I mentioned that the house looked quite (45) , he said that the woman (46) usually cleaned it had been sick for some time and (47) for over a week. When I asked him (48) he did not do it himself, he said that he (49) to do so if Mrs. Jones did not come the (50) day.
[A] was working [B] had been working [C] had worked

[单项选择]These books were very dear to him and he bought them at （　） expense when he was studying abroad.
A. considerate
B. considered
C. considerable
D. considering

[单项选择]You（）the dictionary to Tom yesterday, he needed them awfully.
A. must return
B. should have returned
C. ought to return
D. can have returned

[单项选择]Mr. Johnson began to work the ______ he entered the room.


A. place
B. way
C. moment

[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. people were repugnant to it
B. people were ignorant of it
C. people were afraid of it
D. people were doubtful of it