1.单选题- (共12题)
| A．鲫鱼身体呈流线形是其对水生生活的适应 |
| B．具有角质的鳞是蛇适应陆地生活的重要特征 |
| C．既能生活在水中，又能生活在陆地上的动物是两栖动物 |
| D．身体由相似的环状体节组成是蚯蚓具有特点 |
A. B的幼体既可用鳃呼吸又可用肺呼吸
B. A与B、C、D、E的主要区别是身体背部没有脊柱
C. D具有筑巢、孵卵、育雏等行为
D. E与B、C的主要区别是体表被毛，体温恒定
| A．①的性状,AA | B．②的性状,aa | C．①的性状,Aa | D．②的性状,Aa |
①长颈鹿的祖先有的颈长，有的颈短
②在缺乏青草的环境中，颈长的长颈鹿能吃到高处的树叶而活下来
③逐代选择，长颈的变异逐代积累形成长颈鹿
④通过生存斗争，颈长的个体生存
A．①→④→③ | B．②→①→③→④ | C．①→②→④→③ | D．②→③→④ |
| A．吸毒时与毒友共用注射器 | B．与艾滋病人同桌进餐 |
| C．自己的伤口接触过他人的血液 | D．有输过怀疑不洁血液 |
| A．处方药可到医药超市随便购买 |
| B．非处方药可自己到医药超市购买 |
| C．用药前要仔细阅读药品说明书 |
| D．“是药三分毒”，药物要合理使用 |
| A．迅速关紧煤气阀，打开门窗通风 | B．立即拨打“120”，告知地址和病情 |
| C．马上对姥姥实施人工呼吸 | D．同时给姥姥服用牛黄解毒片，以缓解病情 |
2.选择题- (共1题)
用括号内所给动词的适当形式填空。
{#blank#}1{#/blank#} In the past three years, my home town ______________(change) a lot. already.
{#blank#}2{#/blank#} It's hard to say what ____________ (happen) in 100 years in our country.
{#blank#}3{#/blank#} They_______________(not travel)to Shanghai next week, are they?
{#blank#}4{#/blank#} The students________(chat) from 6 to7 yesterday evening.
{#blank#}5{#/blank#} When I got to the station yesterday morning, my friends _______(wait ) for me at the entrance.
{#blank#}6{#/blank#} If it__________ (not rain) tomorrow, we'll go hiking.
{#blank#}7{#/blank#} He____________ (not write) a letter to his mother yet. He has to do that soon. His mother misses him very much.
{#blank#}8{#/blank#} Would you please__________(not make) such a big noise. The baby is sleeping.
{#blank#}9{#/blank#} It's a long time since we ________(meet) last time, isn't it?
{#blank#}10{#/blank#} ——How many times _______the girl __________(forget) to take the keys to her home?——At least three times.
{#blank#}11{#/blank#} You must spend as much time as you can ________ (practise) playing the piano.
{#blank#}12{#/blank#} They_______(live) in Wuxi since they were born.
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【1】题量占比
单选题:(12道)
选择题:(1道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：7
7星难题：0
8星难题：3
9星难题：2