关于撒哈拉以南的非洲人种的叙述,正确的是( ) A.以混血种人为主 B.以黄色人

题型:选择题

问题:

关于撒哈拉以南的非洲人种的叙述,正确的是(  )

A.以混血种人为主

B.以黄色人种为主

C.以黑种人为主,有“黑非洲”之称

D.人种与中东地区相同

考点:世界的人种
题型:选择题

肺癌的肺外原因及表现包括()

A.肺性肥大性骨关节病、杵状指

B.神经肌肉综合征

C.分泌促肾上腺皮质激素

D.分泌促性腺激素

E.低血钠、高尿钠

题型:选择题
Cycling—means riding a bike, is now popular among children from across the UK. Children like      to go to school or go traveling for a short journey. It can help     money in petrol(汽油) cost.
With petrol price rising(上涨), families in the UK are trying to       ways to make the cost less in petrol. So the parents encourage(鼓励) their     to ride bikes to school. They say     a child keep cycling to school all the year round, a family can save about £300 in petrol cost.
Also, cycling to school is good for children’s      . It can make them become healthier and    their studies at school. “   cycling to school every day, we become fitter, smarter and better learners,”a student called Tommy said confidently.
“It’s great to see more people cycling, and I     smile when I see a child on a bike. Many kids want to cycle,     we should make it easy and safe for them to get around by bike and keep healthy,”another student, Mark said.
小题1:
A.runningB.ridingC.drivingD.walking
小题2:
A.saveB.raiseC.spendD.make
小题3:
A.thinkB.care forC.look after D.look for
小题4:
A.childrenB.friendsC.familiesD.neighbors
小题5:
A.whetherB.orC.whatD.if
小题6:
A.healthB.mind C.moodD.feeling
小题7:
A.improveB.changeC.affectD.solve
小题8:
A.InB.ByC.ForD.With
小题9:
A.onlyB.neverC.seldomD.always
小题10:
A.andB.butC.soD.or
题型:选择题

根据《安全生产法》的规定,储存()的仓库不得与员工宿舍在同一座建筑物内,并应当与员工宿舍保持安全距离。

A.印刷品

B.纺织品

C.烟花爆竹

D.电动工具

题型:选择题

2008年,全国多处出现婴儿“肾结石”病例报道。经各方调查发现,患儿有长期食用相同品牌奶粉的经历。

该奶粉中导致“肾结石”的毒性化学物是

A.三聚氰胺

B.孔雀石绿

C.尿素

D.苏丹红

E.氯化钙

题型:选择题

诊断主动脉瓣关闭不全的重要体征是()

A.心尖区Austin-Flint杂音

B.水冲脉

C.主动脉瓣区舒张期杂音

D.心尖区第一心音减弱

E.靴形心

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