食物がなく飢餓状態になる
A．しょくぶつ
B．しょくもつ
C．たべもの
D．しょくもの
参考答案：B
Since everyone would like to find an apartment near the university, there are very few ____ apartments in the area.
A．free
B．vacant
C．empty
D．reserved
诊断窦性心动过缓必须具备的心电图指标，以下不正确的是
A．心率＜60次/分B．P波在aVR倒置C．P波在Ⅱ、aVF直立D．QRS波群间期≤0.11秒E．P-R间期≥0.12秒
