四冲程六缸发动机,各同名凸轮之间的相对位置夹角应当是()。
A.120°
B.90°
C.60°
参考答案:C
Read and find.(读句子,写出句子中画线单词的小写形式)
1. Where is my UMBRELLA? _______
2. It's UNDER the window. _______
3. Do you LIKE watermelons? _______
4. Who's that GIRL? _______
5. How many kite CAN you see? _______
新疆瓜果特别甜的原因是( )
A.沙性土壤肥沃
B.积温低,风力强
C.云量少,光照强,气温日较差大
D.气温高,降水丰富