To its advocates, constructivist math ______, builds critical thinking and rescues classes
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As good office secretary, Mary Smith knows that all phone 【S1】______.
calls must be answered promptly and handled efficiently. She
knows that a secretary must be pleasant and helpful, no matter
however busy she is or 【S2】______.
what kind of mood she may be. She knows she must keep calm 【S3】______.
if a caller gets impatiently or becomes angry; also, of course, she 【S4】______.
knows she can never allow herself to lost her temper. If she does 【S5】______.
not have the information the callers ask, she must know who 【S6】______.
does have the information. Finally, she knows that one of her
most important responsibilities is to "screen" telephone calls and
to know which calls to refer to her boss, which calls to refer to
the other people, and which calls to handle herself. 【S7】______.
A well-handling telephone call will give the caller a good 【S8】______.
impression of the company he or she is dealing with. For that 【S9】______.
reason, an office secretary who can handle telephone calls
cheerfully, tactfully, and efficiently is a valuable asset to some 【S10】______.
organization.
【S1】
Scientists are studying and developing solar power, wind power, and hydroelectric______to