已婚人士也不允许佩戴戒指。()
参考答案:错
Yosemite National Park has the best collection of native plants. ______, it contains a great number of trees and flowers from overseas.
A.In addition
B.In return
C.In reward
D.In reality
润滑油温升高的原因不包括()。
A、油质不纯
B、油管或油路堵塞
C、破碎机研套
D、冷却器堵