题目内容
（请给出正确答案）
A、choosing a clear format and effective document layout.
B、using emoticons
C、using familiar words, occasional contractions, and pronouns such as you and I.
D、using slang and abbreviations such as IMHO and BTW.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“Create a conversational but professional tone in letters, e-mail messages, instant messages, and mem…”相关的问题
A、Touching noses
B、Hugging each other
C、Shaking hands
D、Kissing each other on cheeks
A)除了用电话之外 , 我还上网用电子邮件同妻子交谈并问她一些问题。
B)我让妻子用电子邮件而不要用电话，因电子邮件比电话便宜得多而且也很方便。
C)为了省钱和方便 , 我问妻子能否用电子邮件来代替电话。
D)为了少花电话费，我让妻子上网用电子邮件交谈。
E)我问妻子能否用它来代替电话 , 因为电子邮件比电话便宜得多而且方便。
A、have old words take on additional meaning
B、form a new word
C、borrow a word from other languages
D、None of above
portrait. [1] In an instant, the phone transmits the image to a computer that matches a shape of the leaf
against a database of leaf shapes from thousands of plant species around the world. Exact matches for the leaf are returned to the screen of your phone along with species names and detailed botanical information. Sound farfetched？ Such a device is already very close to reality, thanks to recent collaboration between the department of botany at the Smithsonian&39;s National Museum of Natural History and the computer science departments of Columbia University and the University of Maryland. [2] Tentatively called the Image Identification System or IIS, the invention has the potential to revolutionize the identification of plant species in the field and greatly accelerate the naming of new plant species.
[3] For Peter Belhumeur, a computer scientist at Columbia University, who studies the use of computer vision to identify human faces, it all started years ago in the Connecticut woods. Belhumeur recalls just how hard it was to use a standard field guide to identify different tree species during walks with his children. "I rarely found the right answer on the first try," he says. Brainstorming with computer scientist David Jacob of the University of Maryland about possible new uses for computer object recognition, "We both thought of leaves," Belhumeur recalls. So in 2001, [4]Belhumeur and Jacobs came to visit John Kress, Director of the Natural History Museum&39;s Botany (植物学) Department, which house the national plant specimens, a resource with 95,000 catalogued botanical type specimens ----the definitive reference specimens used to identify new plant species ---- and an additional 4.8 million representatives of plant species from around the world.
[5] What the scientists came up with was an ambitious plan to develop an electronic field guide---- a
portable system that could automatically identify a tree species from the shape of one leaf. They wanted the device to simultaneously provide researchers in remote locations Internet access to botanical data on species in the Smithsonian&39;s database.
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