水螅有性生殖过程中，卵细胞受精后，经胚胎发育可直接形成小水螅。（）

下列说法中错误的是

A．噪声水平是对比度或CT值总数的百分比
B．噪声对图像质量没有影响
C．射线剂量越大，噪声越小
D．噪声是一均匀物质扫描图像中各点之间CT值的上下波动
E．噪声可影像图像的质量

保税仓库所存货物的储存期限为( )

A．6个月

B．1年

C．2年

D．3年

餐饮服务人际关系是为了实现服务消费目的的，服务员提供服务，顾客接受服务，并获得（）的服务。

A、物质上的满足

B、良好的心理感受

C、满足食欲

D、相互沟通

The Japanese are expecting house guests. These visitors will stay for a long time, serving tea, cleaning house, making conversation and taking care of their (36) in old age.
"The machine is a friend of (37) in Japan," said a robotics professor at Waseda University in Tokyo. " A robot is a friend, (38) So it is easy to use machines in this country. But other countries, maybe, are quite different. "
Japan’s (39) is declining, and more than a fifth of its population is over age 65-the largest percentage in the world. With a dislike to large-scale (40) , the Japanese see robots as a way to handle a number of tasks, especially care and (41) for the disabled and elderly.
Creating a household robot is a great challenge. For financial reasons, Sony stopped working on its robot-dog this year. Mitsubishi and Honda are (42) forward with human-like robots that (43) a vision of the future, even if their cost is too high and usefulness too low to reach a mass market.
Mitsubishi’s robot is a house-sitter. (44) . It also recognizes faces and can talk. (45) that Japanese scientists expect to become commonplace. (46) . Her wish was granted.

The Japanese are expecting house guests. These visitors will stay for a long time, serving tea, cleaning house, making conversation and taking care of their (36) in old age.
"The machine is a friend of (37) in Japan," said a robotics professor at Waseda University in Tokyo. " A robot is a friend, (38) So it is easy to use machines in this country. But other countries, maybe, are quite different. "
Japan’s (39) is declining, and more than a fifth of its population is over age 65-the largest percentage in the world. With a dislike to large-scale (40) , the Japanese see robots as a way to handle a number of tasks, especially care and (41) for the disabled and elderly.
Creating a household robot is a great challenge. For financial reasons, Sony stopped working on its robot-dog this year. Mitsubishi and Honda are (42) forward with human-like robots that (43) a vision of the future, even if their cost is too high and usefulness too low to reach a mass market.
Mitsubishi’s robot is a house-sitter. (44) . It also recognizes faces and can talk. (45) that Japanese scientists expect to become commonplace. (46) . Her wish was granted.

严禁站在悬臂结构上面敲拆底模。严禁在同一垂直平面上操作。