A．小肠扩张，大量积气积液B．两膈下可见新月形透亮气体影C．胃内积气D．结肠内可见气体E．腹部模糊影

(While) (remembered) mainly (for the invention) of the telephone, Alexander Graham Bell devoted his life to (help) the deaf.

A．While

B．remembered

C．for the invention

D．help

Alexander Graham Bell invented ______ telephone in 1876.

A．one

B．a

C．the

D．none of the above

While (remembering) mainly (for) the invention of the telephone, Alexander Graham Bell devoted his life (to) (helping the deaf).

A．remembering

B．for

C．to

D．helping the deaf

In the 1870's Alexander Graham Bell developed the first practicable telephone.

A．feasible

B．functional

C．applicable

D．rational

While A(remembering) mainly B(for) the invention of the telephone, Alexander Graham Bell devoted his life C(to) D(helping the deaf).

Though a respected educator, Alexander Graham Bell ______ the inventor of the telephone.

A．as is best known

B．best known as is

C．is best known as

D．best is known as

(While) (remembered) mainly (for the invention) of the telephone, Alexander Graham Bell devoted his life to (help) the deaf.

A．While

B．remembered

C．for the invention

D．help

While (remembering) mainly (for) the invention of the telephone, Alexander Graham Bell devoted his life (to) (helping the deaf).

A．remembering

B．for

C．to

D．helping the deaf

A、Samuel Morse

B、Alexander Bell

C、Guglielmo Marconi

D、Thomas Edison

When Alexander Graham Bell went to the island, he hoped to

A．establish his laboratory.

B．have a vacation.

C．visit members of his family.

D．study deafness among the families.