强风情况下的火灾扑救战术措施主要有（）。
A、下风堵截
B、灭疏结合
C、分隔包围
D、逐片消灭
E、重点设防
参考答案：A, C, D, E
按要求,改写下列句子。
1. Maria has got a brother. (改为一般疑问句,并作肯定回答)
_______ Maria _______ a brother?
Yes, she ______.
2. I have got an aunt. (改为否定句)
I ______ ______ an aunt.
3. Linda and her sister have got a big room. (改为一般疑问句,并作否定回答)
_______Linda and her sister ______ a big room?
No, they ______.
4. There is a pen on my desk. (对画线部分提问)
______ _______ pens are there on your desk?
5. Have you got a brother or a sister? (根据自己的实际回答)
________________________.
下列除哪项外均为药材乳香的性状鉴别特征（）
A.呈长卵形滴乳状、类圆形颗粒或不规则块状物
B.表面黄白色，半透明，被有黄棕色粉末
C.质脆，遇热软化
D.破碎面有玻璃样或蜡样光泽
E.具特异香气，味微苦
