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【单选题】
薄壳山核桃亦可采用根插育苗，选用1-4年生实生苗粗度为1、5厘米的根，剪成1O厘米长，冬春扦插，成活率可达90%～100%亦可用( )等方法繁殖
A.
分蘖
B.
压条
C.
扦插
D.
分蘖、压条、扦插、嫁接
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Less Is More It sounds all wrong—drilling holes in a piece of wood to make it more resistant to knocks. But it works because the energy from the blow gets distributed throughout the wood rather than ...
A.
or
B.
although
C.
and
D.
despite
【单选题】某患者,男性,40岁,因车祸致腰椎椎体骨折,6个月前已行钢板固定手术。 患者自述S4~S5阶段无感觉,也无运动功能。目前留置导尿, 小便可解但不能完全排空,测定膀胱残余尿量为300ml。现可独立坐稳, 亦可练习抛接球训练。平卧位下可以全范围屈髋,无需辅助,然而伸膝不能。 患者下一步的治疗方案中,不正确的的是
A.
强化屈髋力量训练
B.
强化上肢力量训练
C.
转移训练
D.
站立训练
E.
单纯被动活动
【单选题】患者男性，63岁，因“腋下与腹股沟部位紧张性大疱2个月”而入院。体检：除腋下和腹股沟外，在胸腹部亦可见数个樱桃大小的大疱，基底略红，疱壁紧张，疱液澄清，尼氏征阴性。化验：皮损处直接免疫荧光检查发现基底膜带有IgG和C3呈线状沉积，诊断为大疱性类天疱疮。 患者实验室检查下列说法不正确的是
A.
组织病理检查示表皮下水疱
B.
电镜检查发现水疱位于透明板内
C.
直接免疫荧光检查在90%的患者可见IgG呈线状沉积于基底膜带
D.
盐裂皮肤检查可见IgG沉积在近表皮侧
E.
10%～80%的患者血清中有抗表皮基底膜带的循环抗体，其滴度与皮损严重程度及病情活动性之间有平行关系
【单选题】Less Is More It sounds all wrong—drilling holes in a piece of wood to make it more resistant to knocks. But it works because the energy from the blow gets distributed throughout the wood rather than ...
A.
in
B.
since
C.
for
D.
at
【单选题】Less Is More It sounds all wrong-drilling holes in a piece of wood to make it more resistant to knocks. But it works because the energy from the blow gets distributed throughout the wood rather than ...
A.
A uniform substance doesn’t cope well with knocks because only a small proportion of the material is actually (8) . All the energy from the blow goes towards breaking the material in one or two places, but often the pieces left (9) are pristine (未经破坏的).
B.
But instead of the energy being concentrated in one place, the holes provide many weak spots that all absorb energy as they break, says Vincent. "You are controlling the places (10) the wood breaks, and it can then absorb more (11) , more safely. "
C.
The researchers believe the principle could be applied to any material- (12) example, to manufacture lighter and more protective packaging. It could (13) be used in car bumpers, crash barriers and arm our for military vehicles, says Ulrike Wegst, (14) the Max Plank Institute for Mental Research in Stuttgart. But she emphasizes that you (15) to design the substance with the direction of force in mind. "The direction of loading is crucial," she says.
【单选题】通常意义上的全球化是指全球联系不断增强，人类生活在全球规模的基础上发展及全球意识的崛起。国与国之间在（）、经济贸易上互相依存。全球化亦可以解释为世界的压缩和视全球为一个整体。
A.
政治
B.
文化
C.
军事
D.
文明