为表达()内部形状,在轴测图上也可采用剖视图画法。
A、圆柱体
B、圆锥体
C、物体
D、棱柱体
参考答案:C
根据汉语完成句子,每空一词。
1. 我错拿了他的伞。
I took his ______ ______ ______.
2. 我们在上个月底举办了一次运动会。
We had a sports meeting ______ ______ ______ ______ last month.
3. 为了练习发音,朗读怎么样?
What about ______ ______ to practice pronunciation?
4. 不久,我认识到学习英语的重要性。
Later on, I ______ the ______ of studying English.
5. 如果你不知道怎样读新单词,可以查字典。
If you don't know how to read the new word, you can ______ ______ ______ in a dictionary.
6. 那只狗被看作是汤姆最好的朋友。
The dog is _____ ______ Tom's best friend.
7. 你知道怎样处理这些难题吗?
Do you know how to ______ ______ these difficult problems?
8. 通过跟别人比较, 你会发现问题不是那么糟糕。
By ______ yourself ______ other people, you'll find your problems are not so serious.
下列何种仪器不能用于脏器显像()
A.脏器功能测定仪
B.脏器扫描仪
C.γ照相机
D.正电子照相机
E.ECT