皮皮学，免费搜题
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【单选题】
向日葵的果实由哪类子房发育而来A.
具1心皮1室1胚珠的下位子房
B.
具2心皮1室1胚珠的下位子房
C.
具2心皮1室1胚珠的上位子房
D.
具1心皮1室1胚珠的上位子房
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皮皮学刷刷变学霸
举一反三
【单选题】You must be aware that the terms and conditions of a contract once ______ should be strictly ______ , failure to abide by them will mean violation of contract.
A.
signing, observed
B.
signed, observing
C.
signed, observed
D.
signing, observing
【简答题】Once the _______________ contract is finalized, the company will begin manufacturing the army's uniforms and shoes.
【简答题】票额分配计划,跨三局以上的旅客列车由( )负责,跨两局的旅客列车由( )协商进行。
【单选题】The salary as ()the contract will be transferred monthly to the representative’s account.
A.
in
B.
at
C.
on
D.
within
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