Which is true？（） A: if line 10 is removed， the compilation succeeds. B: if line 11 is removed， the compilation succeeds. C: if line 12 is removed， the compilation succeeds. D: if line 13 is removed， the compilation succeeds. E: More than one line must be removed for compilation to succeed.

Write the word ______. A: on line one B: on one line C: in one line

The correct position of chest compression is ( ) A: The upper half of the sternum B: The left side of the nipple line C: The right side of the nipple line D: The lower part of the sternum, the upper half of the sternal line E: The lower part of the sternum, the midpoint of the nipple line

____<br/>is that we have to make a decision today. A: The bottom line B: The last line C: The first line D: The middle line

站位线 A: nacelle B: water line C: crown line D: station line

The longest back boundary line is also called________. A: The side line B: The short service line C: The lone service singles. D: The doubles’ line

The voltage meter and current meter on the main switchboard shows ( <br/>). A: phase voltage and phase current of generator B: line voltage and line current of generator C: line voltage and line current of crane D: line voltage and line current of shore power

给定下面的代码片段： 哪些行会导致错误？ （） A:  line 1 B:  line 2 C:  line 5 D:  line 8

which of the following requirements for extension line is correct? A: it should be draw by bold solid line B: about 2 mm from the contour line C: a bout 2 mm beyond the dimension line D: Other lines in the drawing should not be used as the extension line. E: about 2-3mm in length

‎下面哪些选项可以作为视频中示波器的触发源：‌ A: CH1 B: CH2 C: EXT D: EXT/5 E: AC Line F: DC Line G: AC Line/5