更多" Several men have been responsible "的相关试题:
[单项选择] Several men have been responsible for promoting forestry as a profession. Foremost was Gifford Pinchot, the father of the professional forestry in America. He was chief of the Forest Service from 1898 until 1910, working with President Theodore Roosevelt to instigate sound conservation practices in forests. Later he was professor of forestry and founder of the Pinchot School of Forestry at Yale University. Another great forester was Dr. Bernard E. Fernow, the first head of the U.S. Forest Service. He organized the first American school of professional forestry at Cornell University.
The foresters of today, like Pinchot and Fernow in the past, plan and supervise the growth, protection, and utilization of trees. They make maps of forest areas, estimate the amount of standing timber and future growth, and manage timber sales. They also protect the trees from fire, harmful insects, and disease. Some foresters may be responsible for other duties, ranging from wildlife protection and wat
A. what foresters do besides protecting trees
B. how to select a good school of forestry
C. people who promoted forestry as a career
D. management of timber and timber sales
[单项选择]1 Several men have been responsible for promoting forestry as a profession. Foremost was Gifford Pinchot, the father of professional forestry in America. He was chief of the Forest Service from 1898 until 1910, working with President Theodore Roosevelt to instigate sound conservation practices in forests. Later he was professor of forestry and founder of the Pinchot School of Forestry at Yale University. Another great forester was Dr. Bernard E. Fernow, the first head of the U.S. Forest Service. He organized the first American school of professional forestry at Cornell University.
2 The foresters of today, like Pinchot and Fernow in the past, plan and supervise the growth, protection, and utilization of trees. They make maps of forest areas, estimate the amount of standing timber and future growth, and manage timber sales. They also protect the trees from fire, harmful insects, and disease. Some foresters may be responsible for other duties, ranging from wi
A. To emphasize his contributions to the field
B. To describe his family background
C. To praise his management skills
D. To illustrate his influence on the president
[填空题]There have been men for more than
[单项选择]In the past, most foresters have been men, but today, the number of women______ this field is climbing.
A. engaging
B. devoting
C. registering
D. pursuing
[单项选择]Several complaints have been received from customers who have been sent the correcl orders with the wrong invoices and wrong orders with the correct invoices．
A. 从客户中已经收到一些投诉，他们被送到具有错误发票的正确订货和具有正确发票的错误订货。
B. 我们已收到那些正确订货和错误发票或错误订货和正确发票的客户的投诉。
C. 我们收到了不少客户的投诉说，有的人收到的订货是对的，但发票开错，有的订货有误，但发票没错。
D. 我们收到不少客户的投诉，他们中有的人收到了正确的订货和错误的发票，另一些人收到了错误的订货和正确的发票。
[单项选择]
There have been several claims to have cloned humans over the past few years. Most have been bogus. But the announcement made this week by Woo Suk Hwang, of Seoul National University in South Korea, and his colleagues, is serious. It is the first to achieve the accolade of publication in a peer-reviewed scientific journal. Dr. Hwang s work appears in Science.
The terminology of human development has become slippery over the past few years, in the hands of both "life-begins-at-conception" propagandists who want to stop this sort of research, and publicity-seeking scientists who have claimed more than they have really achieved. What Dr. Hwang and his team have created is not what developmental biologists would normally refer to as an embryo. But it is a genuine scientific advance. South Korea’s researchers have taken egg cells from volunteer women, removed the nuclei from those cells (which contain only half of the genetic complement required to make a human
A. Different.
B. Fake.
C. Bold.
D. Genuine.
