请问test for和test is用法有何不同?

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请问test for和test is用法有何不同?
请问test for和test is用法有何不同?

请问test for和test is用法有何不同?
for 为...而准备的测试； test is 测试是.如：
This test is for Junior One.这次测试是为初一的学生准备的.
The test is very hard.这次测试特别难.

test n.[C]1. 试验2. 化验;化验法;化验剂3. 检验;检验标准4. 测验;考察;小考5. 考验 test for vt. 试验;检验;测验[(+for/in/on)]；化验,分析[(+for)]vi. (为鉴定而)进行测验[(+for)]

test is 是名词+表语的用法表示“测试是。。。。”
test for 是名词+介词，表示“给什么什么测试...”

请问test for和test is用法有何不同? this is for test! test just for test,self Test TEST test TEST test test What is the test good for?意思? This is Test Email for Group Mail! 请问test和exam的区别英语疑问句及反问疑问句的用法...特别是该怎么回答?请问各位英语高手在英语中我始终分不清疑问句的用法.For example:1.The test isn't difficult,is it?2.The test is difficult,isn' it?请问这两句有什么区别 study for a test just for test It is nececarry to be prepared for test.Having the answers ready will be of help.having的用法? 请问什么是t-test This is a test!