Which microscope would be particularly useful for looking at living cells（）
A. Confocal microscope
B. Compound microscope
C. Phase contrast microscope
D. Scanning electron microscope
查看答案
康复小组包括（）
A. Physiotherapist
B. Occupational therapist
C. Speech therapist
D. Psychologist
Apart from technological development, the 20th century ____ an enormous worldwide political, economic and cultural transformation（）
A. witnessed
B. witness
C. witnessing
D. has witnessed
What does computer program mean（）
A. Command sequence to achieve a given task
B. Collection of all commands of a computer
Commands that the computer can recognize and execute
D. High-level programming language statements
What code is used for signed real numbers’ representation in modern computers（）
A. Fixed-point integer
B. Fixed-point decimal
C. Floating point numbers
D. ASCII
微信支付 
支付宝支付