列入武警边防部队编制单位的车辆,使用正式号牌;尚未正式编入队列的车辆,发给临时号牌,临时号牌的最长有效期为()个月。
A、1
B、2
C、3
D、4
参考答案:A
Few students could answer the question, _____ they?[ ]
A. didn't
B. did
C. couldn't
D. could
赤霉病麦食物中毒患者主要症状有()。
A.形似醉酒,俗称“醉谷病”
B.意识障碍
C.早期昏迷
D.血压下降明显
E.呼吸麻痹