42____

【名词&注释】

乳状液(emulsion)、基本原理(basic principle)、必要条件(necessary condition)、纳米级(nanometer)、两性花(hermaphrodite flower)、必不可少(absolutely necessary)、异花传粉(cross pollination)

[单选题]42____

A. strong
B. weaker
C. smaller
D. larger

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学习资料：

[单选题]58 What do we know about the Indian IT industry?

A. It will move its head office to Shenzhen
B. It is seeking further development in China
C. It has attracted an investment of US$15 billion
D. It caught up with the US IT industry in2008.

[单选题]--- Hi, Terry, can I use your computer for a while this afternoon?--- Sorry. .

A. It' s repaired B． It has been repaired
B. It's being repaired D． It had been repaired

[单选题]The palace caught fires three times in the last century,and little of the original building_______ now.

A. remains
B. is remained
C. is remaining
D. has been remained

[单选题]自动乳化的基本原理是在何种条件下乳状液中的乳滴南于界面能降低，而形成更小的纳米级乳滴（ ）。

A. 在一定条件下
B. 在适当条件下
C. 在特定条件下
D. 在较温和条件下
E. 在温度较高的条件下

[单选题]

B．one C．this D．some

A. theyB．one
B. this
C. some

[单选题]花单性是实现异花传粉^{(cross pollination)}必不可少^{(absolutely necessary)}的条件。( )

A. 正确
B. 错误

[单选题]台湾相思成熟植株的枝上绿色扁平结构为( )。

A. 叶片
B. 托叶
C. 叶柄
D. 苞片

[单选题]绿藻门植物的营养细胞均无鞭毛。( )

A. 正确
B. 错误

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