速度换接回路中要求速度换接要平稳，即不允许在速度变换的过程中有前冲现象。
A. 对
B. 错
The primary purpose of the passage is to _________.
A. illustrate the measures to be taken to protect cultural heritage
B. inform the readers of the dimensions of sustainable development
C. urge people to protect cultural heritage to achieve sustainable development
D. persuade people to fight against deliberate destruction of cultural heritage
According to the passage, the core dimensions of sustainable development do not include ________.
A. environmental sustainability
B. exclusive economic development
C. inclusive social development
D. peace and security
The author of the passage uses all of the following examples to illustrate what form cultural heritage can take EXCEPT __________.
A. cultural heritage sites
B. intangible cultural expressions, knowledge, and skills
C. modern landmarks and landscapes
D. traditions and inherited ways of life
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