题目内容

Always______inmindthatyourmaintaskistogetthiscompanyrunningsmoothly.

A. tokeep
B. tohavekept
C. keep
D. havekept

查看答案

搜索结果不匹配？点我反馈

更多问题

Thelittleboycameridingfullspeeddownthemotorwayonhisbicycle._____itwas!

A. Whatadangerousscene
B. Whatdangerousascene
C. Howadangerousscene
D. Howdangerousthescene

It'sthethirdtimethatJohnhasbeenlate,______?

A. hasn'the
B. isn'the
C. isn'tit
D. hasn'tit

“Sheisn't a dancingteacher,isshe?”“______.”

A. Yes,sheisn't
B. No,sheis
C. Yes,shewasn't
D. No, butshewas

如果作物出现烧苗现象，说明其根系细胞液及土壤溶液的渗透压πA、πB的关系为：

A. πA> πB
B. πA< πB
C. πA= πB
D. πA£ πB