[简答题]
Directions: In this section, you will hear two short passages. At the end of
each passage, you will hear some questions. The passages and the questions will
be spoken only ONCE. After you hear a question, you must choose the best answer
from the four choices marked A, B, C and D. Then mark the corresponding letter
on the ANSWER SHEET with a single line through the center.
{{B}}Passage
One{{/B}}
A. A.Anybody can apply for SDRs.
B.Only governments can purchase SDRs.
C.SDRs are used for some certain transaction.
D.SDRs are used for monetary policies.