[判断题]养路工机具、轨道检查仪、道尺等，均必须有与轨道电路的绝缘装置。
A.正确
B.错误

[判断题]全水分是外在水分、内在水分和分析水分的总和
A.正确
B.错误

[单选题]下列不属于情境性心理失调的是: ( )
A.对疾病认知反应高敏型
B.面对诊疗的不信任
C.对身体残缺的防卫反应
D.久病不愈的消极反应

[判断题]幼儿处于身体、智力、品德、行为等各方面发展的关键时期。
A.正确
B.错误

[单项选择]Questions 6 to 10 are based on the following passage:
Nonverbal (非语言的) communication has to do with gestures, movements and close-ness of two people when they are talking. (78) The scientists say that those gestures, movements and so on have meaning which words do not carry.
For example, the body distance between two speakers can be important. North Ameri-cans often complain that South Americans are unfriendly because they tend to stand close to the North American when speaking, while the South American often consider the North American to be "cold" or "distant" because he keeps a greater distance between himself and the person he is speaking to. The "eye contact" provides another example of what we are calling nonverbal communication. Scientists have observed that there is more eye contact between people who like each other than there is between people who don’t like each other.
(79) The length of time that the person whom you are speaking to looks at yo
A. tend to keep a distance between himself and the person he is speaking to
B. usually stands close to the person he is talking to
C. are often unfriendly when spoken to
D. are often cold and distant when speaking