题目内容

Janice works full time at the daycare, but she also has a ________ job in the evening to make extra money.

A. full time
B. part time
C. part-timed
D. part-time

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Okay, everybody. Take a __________ break, and then let’s move on to the next scene.

A. five-minute
B. five-minutes
C. five minute
D. five minutes

NASA only uses ___________ technology when it comes to the safety of its personnel.

A. state of the art
B. state-of-the-art
C. state of-the art
D. state of the-art

Along with your application, please submit a letter of up to __________ explaining why you want this job.

A. 300-words
B. 300 words
C. 300-word
D. 300 word

下面几种说法,( )是正确的。 (1)两直线的同面投影互相平行,则两直线在空间平行。 (2)同时垂直于同一个投影面的两直线在空间必定互相平行。 (3)如果两直线的同面投影都相交,且交点符合点的投影规律,则两直线在空间相交。 (4)位于同一平面上的两直线必定相交。

A. 1、2
B. 2、3
C. 1、2、3
D. 全部

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