2019~2020ѧиѧУһ
ע
1. Ծѡͷѡ֡ȫڴϣڱԾЧοʱΪ100 ӣֵΪ120 ֡
2. ǰؽԼ֤ţԺţдɫּ0.5 ǩֱдڴϣ2B ǦʽӦֱͿڡ
3. ѡ2B ǦʰѴ϶ӦĿĴ𰸱ͿڡĶƤɾѡͿ𰸡ѡдɫּ0.5 ǩֱдڴϵָλãλôһЧ
һѡ⣺5С⣬ÿС3֣15֡ÿСֻһѡ⡣
1.ҹʡƽȡݡгʱܵĿ복ٳȣֱ300km/h350km/h ٶʱ˷Ĺ֮Ϊ A. 67 𰸡C
⡿гʱܵĿ복ٳȣ
f?kv
B. 76 C. 3649 D. 4936
˷ĹΪ
p?fv?kv2
Ըֱ300km/h350km/h ٶʱ˷Ĺ֮Ϊ
p1kv1236?? p2kv2249ABDCȷ ѡC
2.ͼʾij糡һصߡʵһӽڵ糡µ˶켣ABCΪ켣ϵ㡣жȷǣ
A. 켣һ糡 C. ǿEA?EC 𰸡C
B. Ӵ
D. ӵĵEPA?EPC
⡿AΪ糡ߴֱԹ켣һ糡ϣA
B糡ߵķCAܵķָϷ糡߷ͬӦô磬B
CAB֮ľСBC֮ľ룬ABBC֮ĵƲȣݹʽE?Cȷ
DΪӴ磬AĵҪCĵƵͣݹʽEp?q?ӵĵEPAEPCD ѡC
3.70ıչҹ߳ٳ˲嵼-17-17ͻǿأάƽչͼʾ赯ϴڴaʹڴڵbʰ뾶֮Ϊ21abٶȴСֱΪ3ٺ12٣ƽ·ˮƽ棬aΪGbܵΪF
U֪ǿEA?ECd
A. F=33G 𰸡B
B. F?33G
C. F=32G
D. F?32G
⡿aʱṩ
m?3v??G 2R2
bʱ
m?12v?F??G
R
2F?33G
ΪҪ˶
F?33G
ACDBȷ ѡB
4.ͼʾ·LΪȦCΪȽS1պϣȶٽS2պϣ
A. S1պʱAB C. S2պʱBϨ 𰸡D
B. S1պʱAͨ D. S2պʱAеba
⡿ABS1պʱΪֱͨԵAжݵͨҲAB
CS2պʱΪȦBϨ𣬹C
DS2պʱݷŵ磬S2պ˲Aеba Dȷ ѡD
5.ͼʾ˶ˮƽʹԵֱһͿī֭ӣڴʹ滬һʱ洫ʹһ˶Դʹ˶ΪxᣬӳٶȷΪyᣬԳΪԭ㣬ڴʹµīΪ
A. B.
C. D.
𰸡A
⡿֪ڴʹοϵУٶȵķĦķһֱϣ˶켣ӦһֱߣΪڴʹ˶AȷBCD ѡA
ѡ⣺4С⣬ÿС4֣16֡ÿСжѡ⡣ȫѡԵĵ4֣ѡԵȫĵ2֣ѡĵ0֡
6.ҹǵϵͳBDSѾʼṩȫжλʱ5GȹܡABΪϵͳеŹǣAǸ߹ĵֹͬǣBйǡ֪ٶΪgתΪT0жȷǣ A. AܾϿ C. ڴСTA=T0?TB 𰸡BCD
⡿AAǸ߹ĵֹͬǣֹڳϿգܾϿգA BBйDzǾֹͬǣBܾϿգBȷ C