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【单选题】
()是微特征。
A.
草酸钙簇晶
B.
晶纤维
C.
两者均是
D.
两者均不是
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【判断题】花粉管向着胚囊定向生长是由花粉管的向化性运动引起,并与雌性生殖单位中的助细胞有关。
A.
正确
B.
错误
【判断题】成熟胚囊中,雌性生殖单位由卵细胞、2个助细胞和中央细胞组成。()
A.
正确
B.
错误
【单选题】《大医精诚》的作者是
A.
张仲景
B.
刘完素
C.
孙思邈
D.
刘安
【单选题】In paragraph 1, '... student lending has increased in breadth as well as depth' means______.
A.
there are a greater number of student loans than before
B.
student loans are for higher amounts of money than before
C.
more total money is owed by students than before
D.
there are more student loans than before and the total money owed is more than before
【简答题】雌性生殖单位
【简答题】雌性生殖单位(female getm unit)
【多选题】雌性生殖单位由()组成。
A.
卵细胞
B.
助细胞
C.
中央细胞
D.
反足细胞
【单选题】are amounts owed by customers on account, resulting from the sale of goods and services.
A.
Accounts receivable
B.
Bad debt
C.
Periodic inventory system
D.
Historical cost
【单选题】Accounts receivable represents
A.
amounts which are owed to the company by its customers resulting from credit sales
B.
amounts which are owed by the company to its suppliers for past purchases
C.
amounts which have been borrowed to finance operations
D.
amounts which are due to stockholders
【单选题】《大医精诚》的作者是
A.
刘宗素
B.
孙思邈
C.
张仲景
D.
刘安
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