正确答案: B

错误

题目：成熟的筛管分子和导管分子都是死细胞。( )

解析：B

查看原题 点击获取本科目所有试题

举一反三的答案和解析：

[单选题]江公皋传 [清]蓝千秋江公讳皋，字在湄，号磊斋，世居桐城之龙眠山下。性敏慧，弱冠举于乡。未几，成进士，除瑞昌令。

即驰书告台省趣发饷 趣：通“趋”，前往

[单选题]若复数z1=1+i，z2=3-i，则z1·z2=（ ）

4+2 i

解析：

【答案】A

[单选题]14 What was Mrs. Franks doing when the accident took place?

Standing outside a bank

[单选题]EAll too often , a choice that seems sustainable（可持续的）turns out on closer examination to be problematic. Probably the best example is the rush to produce ethanol（乙醇）for fuel from corn . Corn is a renewable resource —you can harvest it and grow more, almost limitlessly . So replacing gas with corn ethanol seems like a great idea .

The greater need for farmland.

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

It's being repaired

[单选题]阅读下列段文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项A

Inova Junior College D． the Saint ndrew’s Junior College

[多选题]若甲地位于东八区的中央经线上，乙地位于东西半球分界线上，当甲地日出时，可能乙地的地方时是

8时40分

20时40分

解析：BD