产业政策的目标是产业结构的优化和升级以及各产业内部运营的高效化,因此,产业政策的效果是( )的。
A.短期B.中期C.长期D.中长期
参考答案:D
根据英文释义或汉语提示及句义,拼写下列单词,首字母已给出。
1. Mary finishes her homework f_______(at last).
2. She likes to eat a b_______ (a kind of long yellow fruit) very much now.
3. Alice is very thirsty. She wants to d_______ (take in water with mouth) something.
4. How m_______ (a lot of, lots of) mushrooms do we need?
5. Please cut up these p_______ (a kind of hot or spicy vegetables).
6. Can you m_______ (混合) it all up?
7. Please put the pizza in the o_______ (烤炉).
8. Would you like to p_______ (倾倒) some milk into the glass?
9. Let's make some fruit s_______ (色拉)?
10. We need two t_______ (茶匙).
某有机物的结构简式如图所示,下列有关该物质的说法正确的是
A.该物质的分子式为C16 H18O3
B.该物质分子中的所有氢原子可能共平面
C.滴人KMnO4(H+)溶液,可观察到紫色褪去,能证明结构中存在碳碳双键
D.1 mol该物质分别与浓溴水和H2反应时最多消耗Br2和H2分别为4 mol、7 mol