如图所示,两同学共提一桶水,两人手臂间的夹角取哪个数值时,手臂所受的拉力最小
A.0°
B.60°
C.90°
D.120°
答案:A
阅读下面短文,完成所给任务。
There is a park next to my home. But I don’t often go there. One afternoon I go into the park and find it is very small. In the park, there are two roads. One is clean. There are ①许多 flowers on the two sides. The other is dirty. But I go along the clean road. Ah! ②There is a small lake there. It’s very nice. There are trees, flowers and chairs next to it.
I am so happy.
小题1:Where is the park?
小题2:There are roads in the park
小题3:请把①处短语翻译为英语。
小题4:请把②处句子翻译为汉语。
小题5:判断正(T)误(F)。There are trees, flowers and chairs next to the lake.
描写苍术性状特征的名词术语是()
A.星点
B.金井玉栏
C.朱砂点
D.云锦花纹
E.筋脉点