下列阀门中,()的构造特点是没有单独的阀盘,而是利用阀杆的端头磨光代替阀盘。
A.节流阀
B.减压阀
C.安全阀
D.疏水阀
参考答案:A
用方框中所给单词的适当形式填空,使短文通顺、正确、连贯(每个单词限用一次)。
How do you like friends? Should friends be the same or different? We 小题1: three students about the question last month. Here are the 小题2:.
Jeff Green thinks friends should be the same. He is a quiet and serious boy, and his best friend is quiet, too, So they enjoy 小题3: together. Another boy Huang Lei thinks friends should be different. Huang Lei is much 小题4: than his best friend Larry. So He often gets better grades than his friend. And They both like sports, however, Larry plays tennis 小题5: than Huang Lei. Mary Smith doesn’t mind if friends are the same or different. 小题6: best friend Carol is really kind and funny. Last year, Mary 小题7: her arm . Her friend Carol made her laugh and feel good. They can 小题8: everything.
They all think best friends are 小题9: important. Good friends should 小题10: each other.
下列项目中,不缴纳消费税的有( )。
A.委托加工收回的已税消费品用于对外销售
B.将自产应税消费品用于展销
C.将外购应税消费品用于连续生产应税消费品的
D.外贸企业出口转内销的应税消费品