更多"Why were US diplomatic team evacuat"的相关试题:
[填空题]A special research team from the local medical center 76 experiments on completely blind babies. The babies to be tested on lived at home with their mothers or families. The research workers would visit the babies and closely 77 the development of their senses and behavior every two weeks.
In most 78 ,the research workers tested the responses of the blind babies to different stimuli common in the family enviroment. Generally speaking, a 79 baby would react with family. His reactions were swift. 80 , most of the blind babies, according to the experiments, responded to stimuli impassively. In fact, they were indifferent to 81 sound. But 82 some special situations, some of them were able to 83 to the sound of their mothers with a smile. Usually, their response was very 84 .
The tests were done about nine months; they 85 when the blind babies were one month old and ended when they were ten months old.
A. A.watched
B.related
C.wrote
D.observed
[单项选择]You never told us why you were late for the party, ( )
A. weren't you
B. didn't you
C. had you
D. did you
[单项选择]
In early 2004 eight tiny sensors were dropped from a plane near a military base in California. After hit ting the ground, the sensors—also known as smart dust sensors organized themselves into a network and quickly detected a fleet of military vehicles on the ground. They determined the direction, speed and size of a series of military vehicles traveling along the road and later transmitted the data to a computer at a nearby base camp.
Smart dust sensors are minicomputers—as small as a grain of rice in some cases—that can monitor and evaluate their physical environment and can relay the information via wireless, communication. They can monitor elements such as temperature, moisture, humidity, pressure, energy use, vibration, light, motion, radiation, gas, and chemicals. These devices will soon have many applications, such as use in emergency rescue.
Software has been developed to run these minicomputers. A key feature of the software is the abili
A. emergency rescue
B. monitoring pollution
C. military operations
D. evaluating the environment