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问题
单项选择题
船舶交通最危险的情况是（）。
A.交通量大
B.船舶速度快
C.能见度低
D.交通秩序混乱
答案
参考答案：
D
填空题
看图，选择正确的单词填在横线上。
one, two, three, four, five, six, seven, eight
1. — How many wings does it have?
— ___________.
2. — How many tails does it have?
— ___________.
3. — How many Iegs does it have?
— ___________.
4. — How many beaks does it have?
— ___________.
5. — How many ears does it have?
— ___________.
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单项选择题
善于治疗鼻渊头痛的药物是（）
A.羌活
B.辛夷
C.藁本
D.紫苏叶
E.荆芥
查看答案
