与公司债相比,同期限的国债一般具有()的特点。
A.收益率低
B.收益率高
C.风险大
D.风险小
E.只在一级市场交易
参考答案:A, D
.The recent study has shown that people's attitudes towards protecting the environment are not ________ with their behavior in daily life.
A.consistent
B.reliable
C.satisfied
D.enthusiastic
人员在防护条件下仍需要保持足够的视力,这是确保()的基本条件。
(A)战斗能力
(B)火场保障
(C)供水保障
(D)破拆