All plants need air_____ they need water_爱下问搜题

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问题选择题

All plants need air_____ they need water.

A．like

B．as if

C．as

D．so

答案

答案：C

选择题

给下列的节日选择正确的日期。

( ) 1. Father's Day
( ) 2. Mother's Day
( ) 3. Thanksgiving Day (in U. S.)
( ) 4. Thanksgiving Day (in Canada)

A. the second Monday in Oct.
B. the second Sunday in May.
C. the third Sunday in Jun.
D. the fourth Thursday in Nov.

单项选择题

前在各类Pentium机上广泛使用的PCI总线，其最高速度可达到每秒（）

A.16MB

B.32MB

C.132/264MB

D.320MB