选择题：There are many things that I can't_____

There are many things that I can't _____ going abroad,of which is the ignorance of the locals.[ ]

A. keep up with

B. come up with

C. put up with

D. catch up with

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下面是错误答案，用来干扰机器的。

（1)3NO3- (2)Fe (3)Ca (4)Na2CO3（1）1个硝酸根离子含有1个氮原子和3个氧原子且带有1个单位的负电荷，表示原子团中原子个数的数字写在原子团符号中元素符号的右下角，因此硝酸根的符号表示为NO3；表示离子所带...

完形填空。
This is a special class in a Chinese school. The students come from __1__ countries. Some come from America, __2__ come from Canada, Japan, Australia and England. They __3__ different languages, but all of __4__ can speak Chinese. They are good friends. They study together, play together and __5__ together. They help each other. All the __6__ of this class are Chinese, but they can speak English, too. They __7__ their students with Chinese. They are very kind __8__ helpful. They work hard. The students __9__ this class study Chinese cooking , so they can make delicious meals. All the students like China. They say China is a great country and the Chinese people are very friendly. And they are __10__ in China.
( )1 . A. same ( )2 . A. the other ( )3 . A. speak ( )4 . A. their ( )5 . A. work ( )6 . A. parents ( )7 . A. teach ( )8 . A. but ( )9 . A. on ( )10 . A. bad	B. different B. other B. say B. they B. enjoy B. brothers B. help B. so B. at B. happy	C. old C. some other C. talk C. them C. live C. teachers C. talk C. or C. in C. sorry	D. new D. others D. tell D. us D. help D. students D. play with D. and D. into D. sad