The short-term goal of the research is to help a person
A. whose motor codex is seriously damaged.
B. who can operate a wheelchair but not a robotic limb.
C. who has spinal cord injury but is able to move a wheelchair.
D. who is unable to move but whose motor cortex is not damaged.
查看答案
A．be made fromB．consist ofC．consist inD．be consisted of
A. be made from
B. consist of
C. consist in
D. be consisted of
真空系统在压力试验合格后，联动试运转前，应以设计压力进行真空度试验，时间为24小时，以增压率不大于()为合格。
A. 4%
B. 5%
C. 6%
D. 7%
Which of the following would most seriously undermine the validity of the model of El Nino
A. During some years El Nino extends significantly farther along the coasts of Ecuador and Peru than during other years.
B. During periods of unusually cool temperature along the eastern Pacific, an El Nino is much colder than normal.
C. The variations in the time it takes Rossby waves to cross the Pacific depend on the power of the winds that the waves encounter.
D. The western boundary of the Pacific basin is so irregular that it hinders most coastal Kelvin waves from heading eastward.
A．The movie is had.B．The movie is exciting.C．She wants to see it again.D．She should ha
A. The movie is had.
B. The movie is exciting.
C. She wants to see it again.
D. She should have watched it on TV.
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