题干
____can you expect to get a pay rise.
A：With hard work
B：Although work hard
C：Only with hard work
D：Now that he works hard
答案(点此获取答案解析）
C
A：With hard work
B：Although work hard
C：Only with hard work
D：Now that he works hard
为：沿周期表中金属与非金属分界线方向对角的两主族元素性质相似，如Li与Mg,Be与Al，B和Si相似，则下列叙述中不正确的是
