皮皮学，免费搜题
登录
搜题
【单选题】
What is the major way to express tenses in English?A.
by using auxiliary words
B.
by using different word order
C.
by using different verb forms
D.
by using time adverbs
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】衡量资金时间价值的尺度有哪些?分别包含哪些内容?
【单选题】In running this business, I need to ______ ask myself whether what I’m doing is aligned with my goals.
A.
invariably
B.
usually
C.
endlessly
D.
constantly
【简答题】当采用碎石垫层时,应在坑底先铺一层 150~300mm 厚的( )或铺一层( ),以防止软弱土层表面的局部破坏。