单项选择题

The passage can best be entitled as.

A．A Remarkable Professor of General Chemistry
B．A Man to Be Memorized Forever.
C．A Great Chemistry Professor Who Lived over 100 Years
D．A Man Who Lived a Long and Valuable Life

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单项选择题

Which of the following is not mentioned in Para. 1 of the text

A．The prizes and honors Dr. Joel Hildebrand received.
B．Dr. Joel Hildebrand's contributions to physical training facilities.
C．Dr. Joel Hildebrand's talent in technical innovations.
D．The number of students Dr. Joel Hildebrand had ever taught.

单项选择题

What distinguished Dr. J. Hildebrand from other students in high school

A．His rich knowledge in chemistry.
B．His discovery of the formula for some chemical compound.
C．His being given the key to the chemistry lab.
D．His strong interest in chemistry from the very childhood.