[单项选择]Though ______ mainly for the invention of the telephone, Alexander Graham Bell devoted his life to helping the deaf.
A. he remembered
B. to remember
C. remembered
D. was remembered

[单项选择]Though Wales is visited mainly for its beautiful scenery, ancient castles and charming sea-side resorts, the fourth most popular place, attracting over a million visitors a year, is a little town on the River Wye, rightly called Hay-on-Wye. The great number of book shops has earned the otherwise sleepy little border town the name of "largest second-hand book shop in the world," for the whole town seems to be one massive collection of books.
The whole thing began in the early 60’s when Richard Booth opened an antique (古董) store in which he also sold some books. The books sold far better than the antiques and soon the clever businessman was buying up every piece of property (地产) he could get in town to store and sell books. It wasn’t long before Mr. Booth began to call himself as "the world’s biggest second-hand book seller." He began to attract attention from book lovers.
The first success of Booth’s books brought other book traders to town. When a fire destroyed much of t
A. seaside resorts
B. beautiful scenery
C. ancient castles
D. sleepy little border towns

[填空题]What is the letter mainly about
It is mainly about the operation of the company’s ______.

[填空题]What is this passage mainly about
It is mainly about __________ .

[填空题]Technological invention has directly or indirectly produced social change in every period of history. The invention of the horse collar in the Middle Ages was a{{U}} (36) {{/U}}technological advance for agriculture; the{{U}} (37) {{/U}}for use at sea so{{U}} (38) {{/U}}navigation in the fifteenth century that it led in the age of{{U}} (39) {{/U}}; and the steam engine was an {{U}} (40) {{/U}}factor in the industrialization of Europe in the nineteenth century. A discovery is another kind of technological{{U}} (41) {{/U}}. While inventions add something new to a culture, discoveries increase our knowledge of something that already exists. Gravity had always been there, but Newton "discovered" it: be{{U}} (42) {{/U}}how this natural force worked and how its laws{{U}} (43) {{/U}}to falling bodies. This knowledge made possible many new inventions. {{U}} (44) {{/U}}. Since each invention makes more inventions possible, the speed of technological development tends