单选题 Directions: There are 10 blanks in the
following passages. For each blank, there are four choices marked A, B, C and D.
You are supposed to choose the best answer and mark the corresponding letter on
the ANSWER SHEET by drawing a single line through the center. {{B}}Passage
One{{/B}}
FLOOR BROKERS, when a commission broker has
{{U}}(56) {{/U}} that he cannot execute personally because of their
number or because of the activity of the market, he engages the services of a
floor broker. These floor brokers were once referred to as $ 2 brokers, because
at one time they charged a fee of $2 per {{U}}(57) {{/U}}; today this
fee is {{U}}(58) {{/U}} higher. Commissions are shared on these orders.
It is easy to see that smaller commission brokers are especially prone to
{{U}}(59) {{/U}} by an influx of orders. The floor broker, as a
freelance operator, provides a {{U}}(60) {{/U}} function in ensuring
that the exchange's business is conducted rapidly and
efficiently.