秦山核电站燃料棒允许氦漏率为（）
A.A
B.B
C.C
D.D.
参考答案：A
A．+→
B．→+
C．+→
D．→+
Sometimes I feel ________ between meals, so I eat something.
A．tired
B．happy
C．sad
D．Hungry
+
→
→
+
+
→
→
+
