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【单选题】
苔藓植物的生活减数分裂发生在:
A.
合子分裂产生胚时
B.
产生精子和卵时
C.
产生孢子前
D.
原丝体发育成配子枝时
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参考答案:
举一反三
【单选题】甾体激素类药物的母核类同,但基团差异明显,通用而特征性强的鉴别方法是( )
A.
紫外光谱
B.
核磁共振谱
C.
质谱
D.
红外光谱
E.
气相色谱
【简答题】He is paid $10 hour for the job. (salesclerk discount pants per bargaining tips normally depends cash buyers)
【单选题】甾体激素类药物的母核类同,但基团差异明显,通用而特征性强的鉴别方法有
A.
紫外光谱
B.
磁共振谱
C.
质谱
D.
红外光谱
E.
旋光谱
【单选题】T he purpose of bargaining is to settle the differences that stand in the way of an agreement. Settling the differences involves ________ .
A.
high-context and low-context
B.
concession and reappraisal
C.
adjustment and compromise
D.
aims and objectives
【判断题】If a shopper is a beginner at bargaining, he will pay more than the price.
A.
正确
B.
错误
【简答题】He deserved _________________________________(punish) for what he did. 2. The man __charge of the company is from a faraway village. 3.When I saw him,he was bargaining ____the shopkeeper. 4.Hearing th...
【单选题】Robert wants to sell his old table to Mike. The lowest price Robert is willing to accept is $75 but he wishes to sell it at ¥105. The highest price Mike is willing to pay for the table is $82 but he w...
A.
$7
B.
$23
C.
$2
D.
$32
【判断题】Gifts to the Germans, the appropriate choices are knives, swords, scissors and forks.
A.
正确
B.
错误
【单选题】当前,我国正处在经济转轨和社会转型的
A.
加速期
B.
缓慢期
C.
平稳期
D.
停滞期
【单选题】甾体激素类药物的母核类同,但基团差异明显,通用且特征性强的鉴别方法有
A.
紫外光谱
B.
薄层色谱
C.
质谱
D.
红外光谱
E.
旋光谱
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