【单选题】假设你从互联网下载了植被地图,但该图比你的研究区大得多,你将用什么方法得到研究区植被图
A.
以研究区作为裁减图层,对植被地图执行裁减操作
D.
以植被地图作为裁减图层,对研究区执行裁减操作
【简答题】(我们) love our country. 2. (我) like playing soccer. 3. This is my dictionary. Where is (你的) 4. The little boy is too young to look after (他自己) 5. (谁) are you talking to? 6. (谁的) book is this? 7. In the...
【单选题】Why wouldn’t the car move one week later?
A.
The car ran out of gas.
B.
The gas tank was broken.
C.
The meter on the front panel was broken.
【单选题】—Excuse me. But I want to use your computer to type a report. —You _____have my computer if you don’t take care of it .
【单选题】Match the use of while with the category it belongs. While I don’t want to make a fuss, I feel I must protest at your interference.
A.
During the time that sth is happening
B.
At the same time as sth is happening
【单选题】--What kind of mobile phone would you like? --Oh, I’d like one with a camera and I don’t want to ________ by cash.
【判断题】元实二次型 是正定二次型的必要条件是它的负惯性指数为 。