如图所示,L1、L2是劲度系数均为k的轻质弹簧,A、B两只钩码重量均为G,则静止时两

题型:单项选择题

问题:

如图所示,L1、L2是劲度系数均为k的轻质弹簧,A、B两只钩码重量均为G,则静止时两弹簧伸长量之和为()

A.3G/k

B.2G/k

C.G/k

D.G/2k

考点:高中物理弹力弹力题库
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茵陈蒿汤的配伍体现了下列何项()。

A.利湿与泄热相伍

B.化湿与温阳相配

C.燥湿与祛瘀同用

D.祛湿与行气配伍

E.利湿与养阴合用

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用所给动词的适当形式填空。

1. The children were _____in the ________ story. (interest)

2.  We were all_______ to hear the _______ news. ( excite)

3.  The result of the test was rather ____. He was very ______ at it. ( disappoint)

4.  I've never heard the word ______(use) in spoken English.

5. They often saw the little boy _______(punish) by his step mother.

6.  The only thing I could do was _______ (do)  it alone.

7. She doesn't mind______ (work) over time.

8.  I'11 have the book _______( bring) over to you soon.

9.  Besides ________(read) ,he is fond of ____ (dance)  and ____ (skate).

10. The meeting ______ (take place) next week is very important.

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“1453年4月6日,争战异常激烈,土军屡攻未逞。4月21日,土军在热那亚人的帮助下……用木板铺设了一条长达15千米的木板划道,上涂油脂,把70多艘战舰经陆地拖进金角湾……”这是关于一场著名战争的叙述。交战双方是[ ]

A.罗马——迦太基

B.西罗马——日耳曼

C.德意志——教皇国

D.拜占廷——奥斯曼土耳其

题型:单项选择题

Ⅱ度松动牙的松动方向不是()

A.仅有唇(颊)舌向松动

B.唇(颊)舌向及垂直向均有松动

C.近远中向及垂直向均有松动

D.唇(颊)舌向及近远中向松动,并伴有垂直向松动

E.以上都不对

题型:单项选择题

女性,32岁,原有腺垂体功能减退症病史5年,一直服用泼尼松及甲状腺素治疗,近来因肺炎,出现高热,休克,神志不清。

()最有可能的诊断。

A.甲亢危象

B.甲减危象

C.垂体危象

D.肾上腺危象

E.糖尿病酮症酸中毒昏迷

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