What are the factors that affect the shape and growth rate of a snow crystal？
A. Humidity and temperature.
B. Water and falling speed.
C. Air and altitude.
D. Both B and C.
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Children should always take a book with them on the way back from school and read it aloud.
A. Right
B. Wrong
C. Not mentioned
A．highlyB．nearlyC．merelyD．likely
A. highly
B. nearly
C. merely
D. likely
A．ofB．forC．asD．with
A. of
B. for
C. as
D. with
A．More knowledge is covered in a lecture.B．A lesson requires students active involveme
A. More knowledge is covered in a lecture.
B. A lesson requires students active involvement.
C. Students usually take an active part in a lecture.
D. There is a larger group of people interested in lessons.
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