人类社会先后经历了五种基本社会形态，与此相适应，出现了原始社会的道德、奴隶社会的道德、封建社会的道德、资本主义社会的道德、社会主义社会的道德。

1 Why did mothers record the incidents of empathy? （单选1分） A. They were taking part in some scientific research. B. They were interested in their children’s actions. C. They were students who were studying empathy. D. They thought it would help their children. 2 Which of these statements about children aged about one is true? （单选1 分） A. They become distressed easily. B. They imitate their parents. C. They mostly ignore other children when they cry. D. They are not sure about how to comfort another child. 3 What is Jenny’s reaction when a neighbor’s baby cries? （单选1分） A. She starts to cry loudly. B. She feels upset even after the baby stops crying. C. She brings him a drink. D. She tries to play with him. 4 What happens at the age of two and a half? （单选1 分） A. Some children become a lot more emotional. B. Parents change the way they discipline their children. C. Some children become very aware of their environment. D. Some children remain empathic while others don’t. 5 What do we learn from the last paragraph? （单选1分） A. Children imitate their parents. B. Parents should discipline their children. C. It’s important to help people who are distressed. D. Parents shouldn’t tell children that they are naughty. 6 Two independent investigators have reached ________ the same conclusions. （单选1 分） A. especially B. virtually C. normally D. slightly 7 Jim’s two most pleasing ________ are generosity and energy. （单选1 分） A. traits B. points C. trials D. figures 8 I ate a(n) ________ prepared sandwich and shot out the door. （单选1 分） A. urgently B. immediately C. instantly D. hastily 9 His speech ________ a heated discussion. （单选1 分） A. rose B. extracted C. evoked D. arose

A、小腿

B、大腿

C、臂

D、足

A、实现国际储备多元化

B、汇率安排为人为制度设计

C、汇率安排分散进行自由选择

D、依赖国际金融市场和国际政策协调解决国际收支问题

E、IMF在国际金融领域的地位提高

A、Orn

B、Cit

C、Pro

D、HyPro

A、讲究师承关系

B、封锁技术秘密

C、生产活动的神秘性

D、工艺简单

简述时序逻辑电路的特点。说明时序逻辑电路与组合逻辑电路的主要区别。