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【单选题】
图示结构，若将均布荷载 q 用其合力 ql 代替（如虚线所示），则产生的反力（ ）A.
都发生变化
B.
都不发生变化
C.
水平反力发生变化，竖向反力不变
D.
水平反力不变，竖向反力发生变化
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反馈参考答案：
举一反三
【单选题】● TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__. （71）
A.
network interface layer, internet layer, transport layer and application layer
B.
internet layer, network interface layer, transport layer and application layer
C.
network interface layer, transport layer, network interface layer and application layer
D.
application layer, transport layer, internet layer and network interface layer
【单选题】40岁女性，发现右上颈部肿物5年，增长不明显。近3天发生上呼吸道感染，肿物突然增大，伴疼痛。检查见肿物位于胸锁乳突肌上1／3前缘，质软，有波动感，无搏动，体位试验阴性。最可能的诊断是：
A.
海绵状血管瘤
B.
神经鞘瘤
C.
囊性水瘤
D.
鳃裂囊肿
E.
甲状舌管囊肿
【简答题】Put each verb in brackets into an appropriate form to make a real conditional : The school________ (close) if it snows, don't they?
【简答题】Read the sentences. The subject in each clause is underlined. Circle
the verb that goes with each subject. If the subject has a verb, put a
dash (-) in the space. If the verb is missing, add the ver...
【简答题】Read the sentences. The subject in each clause is underlined. Circle
the verb that goes with each subject. If the subject has a verb, put a
dash (-) in the space. If the verb is missing, add the ver...
【简答题】主题:几何体的演变与组合 范围:灯具 上交内容:根据基础几何体进行演变设计,将形态在不同维度上进行变化,绘制手绘效果图 要求:要体现所讲的演变、组合中的多种手法,综合表现。
【单选题】40岁女性,发现右上颈部肿物5年,增长不明显。近3天发生上呼吸道感染,肿物突然增大,伴疼痛。检查见肿物位于胸锁乳突肌上1/3前缘,质软,有波动感,无搏动,体位试验阴性。最可能的诊断是
A.
静脉畸形
B.
神经鞘瘤
C.
囊性水瘤
D.
鳃裂囊肿
E.
甲状舌管囊肿
【单选题】TCP/IP communication protocol contains four layers． From bottom to top, the four layers are __（71）__．
A.
network interface layer, internet layer, transport layer and application layer
B.
internet layer, network interface layer, transport layer and application layer
C.
network interface layer, transport layer, network interface layer and application layer
D.
application layer, transport layer, internet layer and network interface layer
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