下列既属于医疗用毒性药品,又属于保护野生药材物种的是()
A.麝香
B.蟾酥
C.青娘虫
D.红娘子
参考答案:B
阅读理解.
Aunt Jane’s birthday is coming. She will be 40 years old. Dad and Mum are going to take me to her
house. We want to go there by train. Mum says we will leave on Friday evening, and come back on
Sunday afternoon. The birthday party is on Saturday. I am going to give my dear Aunt Jane a card. I am
making it now. I use my colour pencils to draw some nice flowers on the card, then I draw a small cat on
it, too. Aunt Jane likes cats. The card is very nice. Dad says his sister will like it very much.
1. Aunt Jane is nearly(将近) _____ years old.
A. thirty-nine
B. forty
C. forty-two
D. thirty-two
2. We are going to go there by______.
A. bus
B. ship
C. plane
D. train
3. We will go there on________.
A. Friday
B. Saturday
C. Sunday
D. Monday
4. I am going to give my aunt _____.
A. a card
B. some flowers
C. a dog
D. some cats
5. It will be a _______ trip.
A. one-day
B. two-day
C. One-week
D. two-week
将两种或多种金属(或金属与非金属)在同一容器中加热使其液化熔合,冷凝后得到具有金属特性的熔合物合金。这是制取合金的常用方法之一。试据下表数据判断(加热条件可满足),不宜采用上述方法制取的合金是 :
A.Na~Al合金
B.Mg~Fe合金
C. Al~Cu合金
D.Cu~Fe合金