问题
单项选择题
当桁架杆件用节点板相连并承受静离荷载时，弦杆与腹杆，腹杆与腹杆之间的间隙不宜小于（）m。
A.20
B.10
C.30
D.40
答案
参考答案：A
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当桁架杆件用节点板相连并承受静离荷载时，弦杆与腹杆，腹杆与腹杆之间的间隙不宜小于（）m。
A.20
B.10
C.30
D.40
参考答案：A
| 短文填空。 | |
用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次)
age. At the age of eight, Bethany took part in her first surf competition and 2 . This started a love for surf competition in her. On October 31, 2003, while she 3 surfing, a big shark(鲨鱼) came over to Bethany suddenly. The shark got her left arm, and hurt her 4 . Luckily, she tried her best and swam back to the land. Bethany lost over 60% of her blood and was 5 to hospital. The doctors saved her life. The girl was brave and strong-minded. Though she lost her arm, she 6 still surf. Later, Bethany returned to the water. She didn't give up 7 dream of becoming a surfer, but she had to practice 8 than before. The next year, Bethany got the first place in an important surf competition. As time went by, people all over the world began to 9 about Bethany and her story. In 2011, a movie about her was made. She is one many good 10 to teenagers through the story of a brave girl with strong mind and hope. |