I dont know why she is looking at me______she knew me. Ive never seen her before.
A. as
B. as if
C. even if
D. although
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What does the underlined "it"(Line 7, Paragraph 3)probably refer to?
A. The brain.
B. Their understanding.
Central pain.
D. Thermal grill illusion.
The author would probably assess Kammers research as______.
A. epoch-making
B. meaningless
C. confusing
D. enlightening
The department concerned has issued a public letter to collect opinions among Internet users about the feasibility of the Internet real-name system. Write a reply letter to 1)explain the benefit(s)of adopting this system, and 2)express your concern about the consequent possible risk(s). You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. Do not write the address.
Which of the following is TRUE of central pain?
A. It"s caused by the confusion of the brain.
B. It usually happens in some experiments.
C. It can be verified by the thermal grill illusion.
D. It can be felt when you touch cool objects.