—Who is Tina?
— _____ girl next to the table. [ ]
A. A
B. The
C. An
D. /
答案:B
中度脱水失水量为体重的()。
A.2%
B.3%~4%
C.5%~10%
D.10%~15%
E.15%~20%
JHJ-40型电源转换接触器辅助触点压力不小于()。
A.0.25N
B.0.3N
C.0.35N
D.0.4N