途中列车转向，要在转向站发车前变更（）的位置和方向并与（）取得联系。
参考答案：标志灯；运转车长
Which of the following statements is/are true Ⅰ. Stable value funds invest predominantly in Treasury bills in order to preserve capital. Ⅱ. Growth funds generally avoid stocks with high Price/Earnings multiples, since their growth is perceived to have already peaked. Statement Ⅰ Statement Ⅱ（）①A. TrueTrue ②B. TrueFalse ③C. FalseFalse
A. ①
B. ②
C. ③
下列的（）项目，可以列入两措计划。
A.已经订入有关规程或已经形成制度的有关反事故工作
B.有关职工福利、劳保用品、保健食品、清凉饮料等计划项目
C.以防止事故为目的的非标准项目
