通信管道使用的波纹管外壁波纹应均匀、规整,每根管材长度(),其波纹凹陷点应不超过3个,但1米内不得有(),凹陷点不应大于()平方厘米。
参考答案:6M;两处;1
根据汉语提示完成句子
1. You should ask him to (放弃) smoking .
2. Franc is not a child at all. He can _______ _______ (照顾) himself well.
3. Kangkang was (生气) Michael and they had a fight.
4. My father is (动身去)Japan tomorrow morning.
5. We must eat more fruit and vegetables ( 代替) meat to keep fit.
悼念抗日战争时期死难于缅甸野人山的中国抗日士兵,歌唱无名战士的崇高、不朽与永恒的诗篇是()
A.田间的《给战斗者》
B.艾青的《向太阳》
C.穆旦的《森林之魅》
D.戴望舒的《我用残损的手掌》