,若
则z的最大值为.
落:lào luò 调:diào tiáo
Jacob's Pillow Dance Festival
Where: Becket, Massachusetts
When: June 15-Aug 24
Each summer, this influential dance center presents a number of classes and performances by more than 50 companies from around the world. Highlights (最精彩的部分) this season include the Dance Theater of Harlem's production of Alvin Ailey's “The Lark Ascending”, which opens the festival.
Many events are free. Ticketed performances start at $22. jacobspillow.org.
Moab Music Festival
Where: Moab, Utah
When: Aug 29-Sept 9
This area is better known for mountain biking than for music. But since 1992, it has hosted a private festival that brings classical, jazz, Latin and other types of music to the land. This year there will be 16 concerts, including three “Grotto Concerts”, where guests take a 45-minute boat ride down the Colorado River to performances.
Events start at $25. moabmusicfest.org.
Cheyenne Frontier Days
Where: Cheyenne, Wyoming
When: July 19-28
There's something for everyone at this 117-year-old festival, from an “Indian village” and Old West museum to country concerts. But the competition is still the main attraction, with cowboys and cowgirls competing for major money in the world's largest outdoor stage.
Competition tickets start at $18, and concert tickets at $23. cfdrodeo.com.
The Glimmerglass Festival
Where: Cooperstown, New York
When: July 6-Aug 24
Each summer, opera lovers from around the country (and the world) travel to upstate New York to watch productions that include stars like Nathan Gunn and Ginger Costa-Jackson. This year's performances include Wagner's “The Flying Dutchman” and Verdi's “King for a Day”, in honor of the 200th birthdays of both composers (作曲家).
Tickets start at $26. glimmerglass.org.
时间 | t0 | t1 | t2 | t3 |
体重计示数(kg) | 45.0 | 40.0 | 50.0 | 45.0 |
若已知t0时刻电梯静止,则( )
①;
②;
③;
①把托盘天平放在水平桌面上,将游码移到标尺左端零刻度线处,发现指针偏向分度盘的左侧,此时应该把平衡螺母向(选填“左”或“右”)调节,才能使天平平衡;
②天平平衡后,把小石块放在左盘,用镊子向右盘加减砝码,当把砝码盒中最小的砝码放入右盘后,发现指针偏向分度盘的右侧,接下来正确的操作步骤是,直到天平再次平衡,右盘中的砝码和游砝所处的位置如图B所示,则小石块质量有 g;
①在量筒中注入适量的水(如图C所示),读出此时水面所对应的示数
;把固体浸没在盛有适量水的量筒中(如图D所示),读出此时水面所对应的示数
,则待测固体的体积
=cm3;
②你认为:在上述操作过程中怎样把握注入量筒内水的多少才是“适量”的?
答:a. ;
b.。
一支长为16cm的蜡烛,底部镶嵌一个铁块,将它竖直放在水中,露出水面的长度为1cm,如图所示,求蜡烛熄灭时,所剩的长度.(ρ蜡=0.9×103kg/m3 , ρ水=1.0×103kg/m3)

题目①
假如你是李华,你被邀请在学校的英语俱乐部的周末活动中发言。请你以“He/She Helped Me with My English." 为题,简述在你学习英语过程中遇到的困难,谁帮助了你,以及你的感受。
提示词语:English, difficult, remember, correctly, pronunciation …
提示问题:1)What difficulties did you meet when you studied English?
2)Who helped you with your English and how did she or he help you?
3)What do you think of it?
___________ Helped Me with My English.
Teachers and fellow students,
I'm greatly honored to give a speech here.
题目②
某英文报纸以"A Sentence I Like Best"为题征文,请你投稿。请从下面的三句话中选出你最喜欢的一句,并结合自己的经历谈谈你喜欢它的理由。
|
1) Bright is the Moon over My Home Village. 2) Helping people is not a burden, it's an opportunity. 3) If I want to be excellent, I am the one who can make that happen. |
提示词语:tradition, culture, poor, plan, confidence,...
提示问题:1)Which sentence do you like best?
2)What experience did you have?
3)Why do you like the sentence?
A Sentence I Like Best
.
.
的值.
B .
C .
D .